Simplest Solar Cooker Ever! (cardboard and foil oven) cheapest/easiest how to DIY

solar cooker (oven) made using only cardboard and aluminum foil. cooks like electric crockpot using only the sun. reaches 220 F. great for slow cooking. items needed: 1 piece or cardboard or a cardboard box, tape or glue and aluminum or tin foil. and 2 cooking pots.
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