"Self-sufficiency does not mean 'going back' to the acceptance of a lower standard of living. On the contrary, it is the striving for a higher standard of living, for food that is organically grown and good, for the good life in pleasant surroundings... and for the satisfaction that comes from doing difficult and intricate jobs well and successfully." John Seymour ~ Self Sufficiency 2003

Sunday, 6 March 2011

Sharing is caring... a give away

I am trying to declutter my life in readiness for our eventual move to the farm.

Whilst sifting through my bookshelf I came across this book.


Now, with our non-existant / limited electrical appliances on the farm, plus the fact that I no longer even own a juicer, I thought, "Why not share what you can't use anymore"!

So, partly as a way of marking just over a year of blogging (with many grateful thanks to the new friends I have made in that time), and also as a way of decluttering, I am offering this (well used) book as a give-away - next Friday night  (11th March) RMan will choose a random reply from all the comments to this posting, and, whoever you are, and wherever you are on this planet, I will send the book to you - locally (South Africa), northern or southern hemisphere :-)

So - it's up for grabs. 

It's all about juicing LOL - explaining in detail how to mix and prepare raw fruit and veggies for juicing in order to enhance well-being, and to provide essential vitamins and minerals to help beat fatigue and boost your immunity.  A brilliant little book!

This is a look at the contents page:

Click on the image for a bigger picture
All my northern hemisphere readers are just beginning their spring  / summer gardens / plantings.  This book may help one of you decide if you're actually going to plant "that particular" plant this year in order to harvests its' produce and put that to good use :-)

And, for my southern hemisphere readers - maybe it will help to pass the winter months dreaming of an gooseberry, banana or strawberry smoothie / juice next season...

Here is a peek at three pages from the back index (click on the image - I hope I left the image big enough for the index to be visible :-)  )






I am a firm believer in paying it forward, so, to the winner, all I ask in return is that you go through your bookcase (or whatever), and "pay it forward" if you're so inclined :-)

A bit of sharing on this planet cannot go amiss, can it?

Uses for banana peels
Finally, on the subject of fruit, and specifically bananas, did you know that a potassium rich, ripe, or black, banana isn't just for a banana loaf - the peel can be used as a soothing rub for an insect bite - it really works, I kid you not.  So, whenever I make banana bread, I pop the skins in the freezer, and the next mozzie, or gnat bite, I whip out a peel, and Hey, Presto!  the itch is gone :-)

A ripe banana can also be used as a face mask, and the skins used to polish shoes and for wiping down the dusty leaves of houseplants.

Finally, use crushed dried banana peels when you plant out seedlings.  Just place them under the seedling and feed your plant a boost of free, nutrious extra potassium :-)  Placing used banana skins in your compost heap will have the same effect - but obviously, more diluted.

We have so much out there which we have forgotten how to use!  Gotta love this planet and what we have free access to, haven't you?

Have you any alternative uses for plants / fruits that you'd like to share?

Postscript: 

Give away closed:  Emilysincerely - you are the winner, by unanimous decision :-)  Please could you let me have your postal address - mail me on: dani at ecofootprint dot co dot za

Enjoy - it is a brilliant book!

Friday, 4 March 2011

Continuing making a difference journey - the benefits of buying in bulk

As a small income producing sideline, I am in the fortunate position of manufacturing salad dressings for a few of the local restaurants.  That entails buying as many goods as I can in bulk, in order to keep the costs as low as possible.  Bulk items are packaged in bulk containers, which are generally all recyclable.  Naturally, I am incapable of throwing these containers away, and use them for a variety of my storage solutions.


Here, on the top shelf, I am storing my herbs (which I use in cooking, salad dressings and preserving) in empty mayonnaise jars.

I also use these jars to store...


Cereals and sugar
and...

Dried pasta and rice
and finally, they also store RMans' spare parts, nuts, screws and bolts on the farm (sorry, I don't have a pic of that).

They are perfect as they do have an inner seal on the lid, so I don't have to worry about creepy crawlies gaining access.  (Don't forget - a sprig of Bay Leaves in the jar prevents weevils.) 

It's just a pity the jars are made of plastic - I reckon they could've made cool preserving jars!!

Now, I realise that not everyone has access to bulk containers, but have you considered your local restaurant?  They probably throw away dozens of bulk containers a week, and would be grateful to someone / anyone who could assist them in disposing of their waste / relieve them of the added refuse collection - which the restaurant probably has to pay for - I know they charge restaurants per bin / weight in the UK.  (And for my readers who frequent the "Grub Shack" I'm sure that Jerry and Eva must have more bulk containers than they know what to do with LOL).


These white containers with blue lids are from 125ml (4 fl.oz) and 250ml (8 - 9 fl.oz) cream.  When they are new and full of cream they have a foil seal.  Once that is removed, the (blue) lid fits, but not airtight.  Thus, in my book, they make perfect storage containers for the (very dry) seeds obtained from plants in my vegetable patch which have gone to seed, or from vegetables / fruits which I purchase from the local greengrocer (such as paw-paws, watermelons, squash and pumpkins) as I am currently incapable of growing them (but which I hope to grow next season on the farm).  I also add a sachet of silica gel to prevent a build up of moisture in them - the silica gel sachets we get from bottles of tablets / vitamins, and I certainly can't toss them into the rubbish bin either!

The tall glass bottles are from fruit liqueurs, and I'm still debating what to store in those - possibly flavoured vinegars.

The smaller jars (on the right of the picture) are for kitchen use of herbs and spices - when I need to make salad dressings, I pull out the big guns.

Factories are always going to produce some of their goods in bulk containers.  If we can re-use these containers, we are, firstly, saving on the purchase of such containers for use in our homes / potting sheds / childrens playrooms / classrooms / garages, secondly, we are re-using something which is perfect as it is and does not need be recycled to produce (using unnecessary energy) something else, and finally, buying in bulk is cheaper - you're not having to pay extra to cover the cost of all the smaller containers.

This is a brilliant link detailing the storage life of most foodstuffs - it certainly simplifies my life :-)

Wednesday, 2 March 2011

Involve the family in making a difference

I think it is safe to say that in 90% of households, womenfolk lead the way in trying to make a difference in what is sent to landfill, how to reduce power consumption in the home and in teaching our children how we can help heal our planet.

What would the world look like in 100 years if we don't all do our bit?  Would there, in fact, be a planet left - a planet which is still able to provide for man and all the living creatures which inhabit this planet?

These are just a few of the ways that we are trying to "do our bit"...

Recycling - waiting for collection
We, in Cape Town, are extremely fortunate in that we have a weekly collection of our refuse and a separate collection of all recyclable goods.  Separating recyclables from general refuse is easy, and it takes no more time than walking to the dustbin to throw out the garbage, because our recycling bin is next to our dustbin - so no excuses for throwing away something which can be recycled.

I have taken recycling one step further too - I try and re-use all plastic containers which pass through this house. Unfortunately, the suppliers in this country are trying to cut their costs, which means they package their goods in plastic jars / bottles, more than in glass. I re-use plastic milk bottles for my seedlings, and any other plastic jars are used for storing dry goods - I even store seeds in them, once they are thoroughly dry.  And, in place of shelf liners impregnated with an insecticide, a sprinkling of bicarbonate of soda on the back of the shelves or a sprig of Bay Leaves placed inside the container (and replaced every 3 - 4 months) will keep the weevils at bay :-)

Our small compost bin - for all the kitchen scraps
Grow your own produce - if one practises an organic approach, your homegrown fruit and vegetables are guaranteed to contain no chemicals, and will retain all the goodness for which they are grown - goodness which will not leeched out in the time they have spent being transported from farms to markets, and then sitting in supermarkets fridges / shelves waiting to be purchased.  Also, I think it is safe to say that if one grows ones' own vegetables, then one will also have a compost heap.  Which means each week less refuse goes to landfill, where it produces methane.  A well managed compost heap will not emit anything near as much methane as a landfill site, and whatever is added to the compost heap (vegetable scrapings, shredded paper, egg shells, egg cartons (for those of us who don't have chicken - yet) coffee grounds, tea bags and tea leaves, lawn clippings, garden trimmings) will break down to become the most wonderful addition to the soil of your garden.  It is easy to create a spot in your kitchen for all the compost ingredients - this is what I have:

A small container for the vegetable peelings
(with a lid to keep the flies away)
and another to collect the recycling goods - right
next to the draining board
Once that is full, off to the compost heap with it :-)

Why should each and everyone of us avoid using chemicals in our gardens?  Do you really want to add unnecessary chemicals to your diet - which are indisputedly harmful to you?  Have you tried an eco-friendly solution of boiling chillies and garlic in water, taking that boiled water and diluting it down and adding a drop of dishwashing liquid and sparying that on your affected / munched plants?

In addition, whatever chemicals we carelessly add to our lawns or beds, a large amount of it is washed down into the drains where it is captured into our water system when it rains.  Not to mention the animal / plant life that we are unconsciously affecting.

The knock on effect of what we selfishly do, will live on far longer than our time on this planet...

And how many people are aware that the water provided to households in Cape Town since December 2010 is recycled effluent?  Should we be proud of that achievement?  Another reason to install a rain barrel to catch all the water from your gutters - ideal for your garden, and, in an emergency, if it is properly sterilized prior to consuming, it can support human life too!


Owl electricity monitor - instant reading
of your current power consumption

Have you tried monitoring your electrical consumption through the use of an electricity monitor such as the Owl - the less electricity we use, the less has to be generated, and in South Africa most of our electricity is produced by coal fired power stations, or the dreaded nuclear power station at Koeberg, near Cape Town.  We have reduced our electricity consumption in our household by approximately 45% since I purchased our Owl as a Christmas gift for RMan in December 2009.  It is soooo easy to install and it monitors every watt consumed by your household every second, 24 / 7.  I kid you not - EVERY second!

Damp curtains create an air-conditioning effect
There are also various methods one can employ which don't involve using electricity - for instance, in summer when the heat becomes unbearable, we don't switch on our air-conditioning (we don't even own such a device) - all we do is hang wet towels at the windows, or dampen the curtains hanging at the windows / doorways - the draft wafting through the wet items immediately cools down the interior temperature.

We have even used the damp towel method
whilst driving in our car - it works a treat!
We switch our geyser on for 4 hours every three days - and the water stays more than hot enough to last the three days.  Obviously, in winter this will not be possible, but now, this last summer, we have reduced our electricity consumption by 9 - 10 Kw each day we didn't have the geyser on!  We have also turned our geyser down to 50oC (122oF) - add no cold water in winter and it is the perfect temperature for having a shower.   Unfortunately, as much as I'd love one, we are not in the position to install a solar geyser - maybe next year...

And you all know how much I use my solar oven :-)  My conventional oven has not been switched on for the past 10 months!

Similarly, in winter - an extra jersey and warm socks - even a beanie - they do the trick.  Save the heater for when you really need it - don't switch them on at the first sign of cooler weather.  We have all become so selfish in our use of electricity, that we think it is our right.  Yes, we pay for the use of it, but do we ever stop and think of how the planet is paying for it too?

I have also enjoyed sharing most of what I have learnt / researched with RMan. His understanding of my motivation and compliance in the process, is helping us achieve something amazing, but, just like a naughty child, I can still on occasion find plastic bags in our kitchen dustbin, not the recycling bin... :-)
I'm personally very chuffed that our refuse
is down to two small shopping bags in the dustbin a week.
But, what I am most proud of is I am doing as I say - which is the greatest teacher of all. Lead by example, your children will naturally follow, and, hopefully, their friends will follow them, and ...

I have touched on just a few ways of making a difference - I will share more in the weeks to follow.

How do you / are you trying to make a difference?

Thursday, 24 February 2011

Dinner from the garden - in more ways than one

This has been an interesting summer.  I have been able to confirm what I can, and what I can't grow in my garden.

What I can grow is (and in no particular order, but just as it pops into my head):

Tomatoes
Radish
Beetroot
I am very proud of this beetroot
- my biggest yet - and grown in my new
raised veggie bed enclosed vegetable patch.
Onions
Garlic
Lettuce
Aubergine (eggplant)
Rocket
Beans
Corn - not that successful because of the strange position on the retainer wall, however I did plant a second crop in December, next to my new enclosed vegetable patch where they are more protected from the wind, and are in a more traditional 'block' planting, and they are doing beautifully!
Carrots
Spinach
Parsnips
Peas
Peppers (capsicum)
Potatoes - coming on nicely
Yams - spreading all over the place :-)
Strawberries
Lemons
Ginger
Lemon trees from pips LOL
Pomegranate trees from cuttings
and sundry other herbs

What I cannot grow are:

Pumpkins ) actually, to be fair, I don't honestly know about these, as RSon
Squash    ) accidentally trimmed off all the growing points with the strimmer
Zucchini    ) - and, yes, I did loose my cool... But they also got infected with mildew / fungus, and a spray solution of 10% milk with 90% water didn't help



I don't begrudge 10% of my harvest going to
the insects -its' only fair :-)  After all, I am
invading their space.

Cucumbers
Broccoli
Cabbage
Cauliflower

The latter three all got infested with slugs, teeny-weeny snails (too small to pick off) and I think, whitefly.  My eco-friendly spray didn't stand a chance against that onslaught!  My cucumbers didn't develop properly at all, and all appeared to have been "stung" by something.

RMan is quite happy that the broccoli didn't survive - he's not particular to that vegetable - are any of the menfolk? :-)

He's not that mad about aubergine either, and they are prolific in the garden, so for dinner last night I tried another dish.


I made a Butternut / Aubergine Curry with coconut milk (in the solar oven) and served it with sliced chicken fillets pan-fried in butter, solar cooked rice, the last of my dreaded broccoli and a (solar cooked) beetroot salad.  Yummy, yummy, yummy.


I hate it when I watch a cooking programme and the chef says "Delicious - absolutely scrumptious" and I have no way of verifying that, so, being in the same position now, I can only ask you to take my word for it, it really was good.

All in all, I'm more than content with what does grow in my garden - especially given the limited space I have to grow vegetables in.  Next year I will focus all my energy, and space, on what I know is successful, and, if necessary, will purchase the dreaded broccoli from my local greengrocer if I have to... 



All solar cooked dishes mentioned on this blog will be in my (hopefully) soon to be released "Free from the Sun" solar cookbook.

Saturday, 19 February 2011

Free from the Sun

Having been on the farm for three days of the past week, my solar cooking has been limited to the following:

A perfect Lentil Loaf which I served with Solar Rice and a portion of my Solar Tomato Sauce....

Solar baked Lentil Loaf
...two batches of 3 loaves of the most delicious Ultimate Solar Bread... (only two from the first batch lasted long enough to be photographed)


Ultimate Solar Bread
...potatoes - for mash...

... ostrich bangers to go with the mash...

... a large bowl of Solar Baked Beans...

... Quiche Lorraine with a fresh garden salad...

...and tomorrow I plan on cooking a whole Honeyed Chicken with Scalloped Potatoes - and team that up again with a fresh salad straight from the garden.

I would prefer to have some sort of refrigeration on the farm - then whatever we have as leftovers can be stored safely.  As we do not have a freezer there yet, I am hesitant to schlep along my solar oven - it is quite bulky, and I need the boot space for, amongst other things, all my little lemon trees grown from seed LOL - anyway we tend to barbecue most of our meals there at the moment. 

On our trip last weekend I took a small solar baked fruit cake for one of our farm neighbours.

Solar baked Fruit Cake
Oh, and before I forget, I have not managed to embed a pdf link on the side panel of my home page, so I have created a page "Intorduction to Solar Cooking" which contains a link to the pdf. 

Wednesday, 16 February 2011

Monitoring - for peace of mind

We took a short break and travelled up to the farm for a three day weekend.

When RMan and CGuy were there two weekends ago, they connected the batteries to the solar panel and installed the alarm.  However, they noticed that the battery, over a period of 8 hours, was "boiling".  Concerned, they disconnected the battery from the solar panels, just leaving the alarm connected to the battery - they figured that the power would last 3 - 4 days at least.

It was still working two weeks later.  And still indicated 12 volts of power!

The conclusion is that the three panels were producing far too much power, and the regulator wasn't functioning correctly.  The regulator should've controlled the amount of power sent to the battery - to prevent exactly this type of situation from happening.

We have decided that we are going to purchase a new regulator, and a 1kW inverter.  This, together with a couple of deep cycle batteries, the three 75 watt solar panels, should be sufficient to provide power for a couple of CFL lights, the car radio and a chest freezer.  We aren't going to purchase a solar powered, gas nor a 12 volt freezer.

Gas - we'd consume roughly 800gm / day X 30 days ZAR325.00 (US$44.00) / month and we would need to knock through the wall to install a vent of some sort for the fumes.

A 12 volt freezer - they costa plenty.  We got a quote on a 225lt Sundanzer box freezer of ZAR8500.00 (roughly US$1133.00) excluding 14% V.A.T. and transport. 

Solar powered freezers - we would have enough power from the three solar panels, but the unit only costs ZAR11 500.00 (US$1530.00)

But, using a 1Kw inverter, a standard 230lt Defy box freezer running on 220volt AC requires 123 watts of power when the motor is running and will only cost us ZAR2200.00 (US$293.00) to purchase.  If we still stick with the original idea of freezing large bottles of water and using them to chill a stand alone cooler box - then our perishable food storage problems are sorted.  We would also leave the freezer on, even when we're not there - on it's lowest setting it should consume negliable power (which would constantly be generated by the 3 solar panels) as well as be "ready" from the moment we arrive.  That should enable RMan's beers to be chilled to perfection.

And talking about chilled drinks - we could've used some on Monday.  The temperature rose to 44oC (111.2oF) outside.  In the house it was an air-conned 30oC LOL

I felt so sorry for the poor driver of the digger / loader we hired for the day.  Working in those conditions must've ben unbearable - and he had to sit above the heat of the digger / loaders' engine too!  But to cap it all off, we had no water - we discovered just prior to our departure that a stone had jammed the ball valve which controlled the filling of the water tanks.


But the driver did a sterling job.  We used all our building rubble to fill the verandah base, as well as some clay from our dam - the dam needs to be deeper anyway, as whatever water is collecting there is being evapourated by the heat / wind.

A digger / loader certainly makes light work of the hardest ground, and with the holes that it is able to dig, it will certainly give whatever we plant a fighting chance.  No point at all in planting something whose roots will become "pot bound" because the ground is too hard.


He also dug 5 holes for trees, ran a shallow channel for irrigation pipe, and loosened the soil where we are planting lemon trees - so next time we can continue planting.  My lemon trees are coming long very nicely - reckon the Weedguard works a treat.  All water given to the trees is solely for the trees - the weeds and grass below the Weedguard is dead :-)

Isn't it funny how synchronicity enters one's life?  We were meant to be there this weekend.  I'm convinced of that.

Another neighbour of ours, Franz, popped passed.  He hasn't been at his place for about a year - apparently his father-in-law, who lived up-country, passed away last year and Franz had to stay up-country to sort out his affairs.  But, he told us, as he was going to be away a while, he sourced a firm that would monitor his alarm, via radio transmitter.  He's now back permanently, so that'll be an extra pair of eyes too :-)

Bingo - the light bulb went off!  Now that we have an alarm, we can also have a monitoring service!  That will ease a lot of mental pressure regarding the safety of our house and it's contents.  We were not even aware that we could get a security firm to monitor our area.  We had assumed that it was too remote.


As we were leaving (at 8.00pm on Monday evening) we were repaid for the discomfort of the day by these amazing sunset views - the lightning was flickering in the background - high in the mountains.  Do so hope that some of the rain made it's way to our area...

Monday, 7 February 2011

What a beautiful world...

I awoke this morning to an inversion layer.

When that happens the village where I live blossoms, like a rose covered in dew, just starting to unfurl it's petals, in order for all to admire the beauty it is about to become.

This is the view I saw at 8.00a.m.


A whisp of mist escaped the cloud,
and swirled around a single fishing boat in the bay


RMan and I had to collect some materials for the business which involved travelling along one of the most scenic routes in the world.  This is what we saw from the other side of the mist...

The view from Chapman's Peak drive - looking over the
Sentinel Mountain, at the entrance to the bay,
towards South America.
The Sentinel and Karbonkelberg (Boil Mountain)
(the two mountains in the centre of the photo)
almost look superimposed and surreal.
 

Our village is just behind the fog - you can
see the main ocean fog bank behind
Klein Leeukoppie (Little Loin's Head) mountain
I ask you - how can anyone not want to help this beautiful planet?  How dare we take it for granted?  Who do we think we are?

We are fleeting, transitory beings who inhabit our litttle space for such a brief moment in time when taken in the grand context of the life of this planet thus far.  What right have we to be the cause of any alteration / destruction / self-centered monetary gain at the expense of Mother Earth?

These photo's are, to me, a perfect example of why we need to consider our impact on this planet and the eco footprint we leave behind when we physically depart this amazing place called Earth.

And, Oh - what a wonderful view to start the week with - I am so blessed :-)

Update: 7.00 p.m.

Still hanging around LOL - absolutely stunning...

Sunset is in an hour's time


Saturday, 5 February 2011

Solar oven questions and answers

I received the following mail from a reader, Vinitha, and with her permission, I would like to publish it here, together with my reply.

Before I do that though, I would like to state that I am not an expert - I am just someone who enjoys using her solar oven, whenever and however she can.  If recounting my trials, tribulations and successes mean that someone, somewhere else in the world decides to make or buy a solar oven in order to prepare their meals, then I have attained the goal of this blog - caring enough to share what I know to help make this a better planet and to try and reverse the damage that we are causing, through our waste / garbage and our extravagant squandering of its' precious resources.

Vinitha wrote:

"I live in Bangalore India and we have no dealers for solar ovens here. I am using a solar oven that I built out of wood, glass and a mirror as a reflector. The insides are lined with heavy duty aluminium foil. The temp inside the oven shows only about 80 degree C. Food gets cooked. I have baked cakes, roast beef, rice, veggies. Can you please advise how I can improve it? Is my temp meter recording the air temp inside the oven. When you say yours reaches 325 degrees do you mean the air temp inside the oven gets to that temp?"

She also included a photo of her solar oven:


My reply to her was as follows:

Thank you for your e-mail. It was a lovely surprise to hear from India.  Thanks for also sending a photo of your solar oven – it helps me understand your problem.  It looks a brilliant effort at a solar oven.  Well done.

When I first started solar cooking (a good couple of years ago) I initially used a “Coleman’s” cooler box, with a piece of 4mm glass as the lid. This worked – sort of – but it didn’t get terribly hot. It was not ideal!  (And I was worried about the fumes from the cooler box insulation - I had no idea what the insulation was made of.  I made sure that I cooked in vessels that were tightly sealed in that homemade solar oven.)

Then I bought a simple blow mold solar oven, which had no reflectors and the lid was a very flimsy plastic. The heat produced also wasn’t the greatest – the hottest I recorded was 105oC.  It did the job - even if that was only cooking rice and vegetables.  But it was limited in what it could cook.  Certainly not bread LOL



I finally purchased the model I have now, and it is with this model that I am getting the best results.  I think the reasons that I am successful are as follows:

My kitchen helper LOL
1 The box is solidly constructed, with well insulated sides.

2 The lid is a piece of double glazed glass, which seals against the bottom oven section with a strip of what looks like oven seal, (i.e. able to withstand high temperatures and similar to that which is used on an oven door). I think one of the surfaces within the double glazed glass also has a film, which helps to attract / retain the heat.
In this photo I propped open the glass lid to show
the oven door seal on the inner surface
3 The reflector is adjustable – so that I can aim the ever changing reflected light into the centre of the oven.

4 The base of the oven is black – to attract / absorb the UV rays / heat.

Please bear in mind also, that the strength of UV rays decide the temperature you will attain in your oven. Ideally, the UV rays should be higher than 6 – ideally 7. You can find your levels at this link: http://www.intellicast.com/local/weather.aspx?location=INXX0012 It would seem that your UV levels, even in your winter, are higher than ours at the moment .

If your thermometer is placed inside your oven, then, yes, that is your oven temperature. I place my thermometer on the floor of the oven, right where the cooking vessels go.

I have done a search for solar ovens in India, and have come up with the following links:

http://www.tradeindia.com/manufacturers/indianmanufacturers/solar-oven.html

http://www.tulsisolarcooker.com/Why%20Tulsi%20Solar%20Cooker.htm

I am thrilled to hear that you are able to cook cakes, roast beef, rice, veggies, etc – but please be careful with meat and poultry – in order to kill the bacteria which forms on all raw meat, the pre-heated (oven and cooking vessel)  temperature should not be lower than 120oC. Rice and veggies don’t have that limitation, but they should still be cooked at a minimum temperature of 80oC - 100oC is boiling point.

Then I have also had quite a few people asking me how hot should the weather be, in order to use a solar oven.  Cooking in a solar oven is not, as far as I am aware, dependent on the outside temperature, but more due to the UV levels - the higher the levels, the better your solar oven will work - with a UV of 7 being an ideal starting point.

Think of a solar oven as a small greenhouse.  A greenhouse will heat up in winter when the outside temperature is cold or freezing, similarly the interior of a solar oven will also be much warmer than the ambient temperature.  How hot will it be on a clear day, with snow on the ground - I'm afraid I can't answer that, as unfortunately I am not fortunate to have that amount of snow in winter.  However I have read somewhere that someone baked bread in their solar oven, in the northern hemisphere, under those conditions :-)

If you do a Google search on UV levels for your country / area you will find a link easily.  I did enter a couple of Google links in reply to a question from Mr H on my Ultimate Solar Bread Recipe posting.

Finally, I will, within the next few days, be posting a link to a .pdf file which will give an introduction to cooking in a solar oven. Hopefully, you’ll find that helpful.