Okay, I have tried several things. I can get up to 200', if I am lucky 220', then the clouds come out and it looses it's heat. I have tried boxes, it got up to 220'. But the clouds came out and it didn't sustain it's heat. I tried a bowl, it got up to 140', not hot enough to cook. I tried a fish tank on a black board. It got up to 180', not hot enough to cook. I am trying a cast iron skillet in a cooking bag inside a circle of sun shields out of a car windshield. It has gotten up to 200'…

Solar ovens. I am on a learning journey. I am trying to figure out how to build a solar oven, only I am trying to do it without spending more than $10 on it. I would like to figure out how to do it with stuff I have around the house. In a crisis, you can’t go to lowes and buy a bunch of wood and stuff, you have to work with what you have. I have not been able to sustain a “cooking” temp. yet, but I have gotten it up to 220′ for a few minutes. The sun then went behind a…