Picture of Pizza Box Solar Oven
I use these easy to make solar ovens all the time when I am camping to cook biscuits etc. they are great an don a sunny day can cook almost as fast as an energy wasting oven.
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Step 1: Gather your supplies

Picture of Gather your supplies
You will need

-1 Pizza Box (or two to make a deeper one)
-Some aluminum foil (i used heavy duty)
-tape or fencing wire
Box cutter, scissors, or razor blade it doesn't really matter (OPTIONAL)
Paint (optional)
wire cutters

By the way....... You could get your pizza box for FREE if you go to a local pizzeria and just ask for a box.

Step 2: Line the box

Picture of Line the box
Now (after you eat your pizza) get out your aluminum foil and line the inside of the box 100% with the shiny side up.

Step 3: Make the support strut

Picture of Make the support strut
To make the support strut that holds the lid up I took aluminum foil, rolled it up, and wrapped some fencing wire around it for strength.

Step 4: Holding the foil on

To hold the foil on, I looped some fence wire in the inside and outside through small holes in the box.

I didnt want to use tape because I was worried that it would melt

These also make good handles

I strap them to the outside of my pack through the outside loops.

Sorry I couldn't get any up close pics. but they were kind of hard to see since I was using my phone camera.

Step 5: Start cooking

Picture of Start cooking
Now just wait for a nice sunny day and throw some food in your pizza box cooker. I painted the outside of mine just to add a custom touch and I used black in the hope to have the box hold more heat.

To use it just put something to cook in it and leave the lid open in the direction of the sun.

On an average day it took about 20 mins longer to cook some Pillsbury biscuits.

Step 6: BUT WAIT, Theres More

If you want to be really innovative then you can cut a hole in the bottom of your box and put another box under it, line that, and then you could cook deeper dishes. I have not been able to test this but im sure it would work just fine.
-maddie-1 year ago
How does it effectively trap the heat? To me the open box seems like a waste of potential heat?
fduffey4 years ago
Good Idea however the loss of heat is not a good idea, The better idea would be to construct a metal box that has the same size possibly could be used with a portable camp stove and a pizza box maybe deeper for pan Pizza! A Good idea would be to put a thermostat on the top to see the exact temp of the box. Any meta;l working shop can make you this item cheap! or if you have a bender make it your self add flip top.
slipknot15 years ago
yo thanks alot man
macrumpton5 years ago
I have tried to build these a few times and I have never gotten a pizza box cooker to get hotter than 190°f, although I have had success with other solar cooker designs. I don't see how this one would get even that hot since it does not have any plastic cover to prevent the heat from convecting off the food into the air. I would love to see a picture of the cooked biscuits.
nunu1236 years ago
i cant wait tu do this 4 my sciecne fair i hope its work it lookks cool
shelly1286 years ago
nice work I will definitely have to make one of these
tankguy6 years ago
just voted for you. Plus i give you 5 Stars!
nrepak (author)  tankguy6 years ago
thanks much
Kiteman6 years ago
Did you know that this project is worth £75,000?
nrepak (author)  Kiteman6 years ago
Wow I really wish I had noticed that before, could have been handy having some extra cash lol
dombeef Kiteman6 years ago
lol Yeah