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They make ok sun ovens too. Line with black paper or aluminum foil. Put a cookie cooling rack in the bottom and cover the top with glass or plexiglass. An oven thermometer will tell you the temp and though black pans are reported to work best, I usually cook in glass quart jars. My favorite recipe is dried beans (any kind) water and ham soup base. I could live a long time on those if I had too. The hardest part on the homemade version is keeping it pointed to the sun. If you have a miriror that is unused you can use that to help reflect the sun into it....or one of those shiny car sunshades or put aluminum foil on the lid and prop it up, etc. In the summer, when I dont have to compensate for the sun in the southern horizon, my homemade one got up to almost as hot as the fancy one I bought...about 350 degrees. Key point: use cheap glass that doesn't screen out uv rays.
They make ok sun ovens too. Line with black paper or aluminum foil. Put a cookie cooling rack in the bottom and cover the top with glass or plexiglass. An oven thermometer will tell you the temp and though black pans are reported to work best, I usually cook in glass quart jars. My favorite recipe is dried beans (any kind) water and ham soup base. I could live a long time on those if I had too. The hardest part on the homemade version is keeping it pointed to the sun. If you have a miriror that is unused you can use that to help reflect the sun into it....or one of those shiny car sunshades or put aluminum foil on the lid and prop it up, etc. In the summer, when I dont have to compensate for the sun in the southern horizon, my homemade one got up to almost as hot as the fancy one I bought...about 350 degrees. Key point: use cheap glass that doesn't screen out uv rays.