This March in Minnesota, our solar oven got hot enough to bake a killer batch of scones—and in the summer, it can whip up brownies in a brownout. The project makes use of scraps (or full 4 x 8 sheets) ...
Every Boy Scout or Girl Guide probably had the experience of building a simple solar oven: an insulated box, some aluminum foil, and plastic wrap, and voila! On warm, sunny, summer days, you can bake.
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