Today I needed to defrost some mincemeat. Rather than use the convection oven, I decided to make up a quick solar cooker to do the job and take advantage of the free energy falling on us at the moment.
That reminds of a joke I once heard -
'What do you call a massive spill of renewable energy?'
'A nice day'!
Anyway...
Looking around, I found a couple of aluminium trays and an oven bag.
To assemble this project, I positioned the foil trays so one was flat and one stood upright behind it. I marked where the two touched and cut a slot into each at those points. These slots fitted one into the other and I added clothespegs to hold it all together.
Two more slots cut into the front of the bottom tray allowed me to fold down a piece of the tray to make an adjustable front reflector.
I placed a small kitchen rack in the middle, put the meat into an oven bag and placed this into the solar cooker.
It was 32°C when I put it out and sunny, with a light breeze. Defrosting completely took just shy of 1 hour..
I think it was a success!
This is 
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