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And the cooking temperature of some solar ovens is fairly low, in the range of 250 to 300 degrees F. If is is rainy or very cloudy, you cannot cook using a solar oven even during the middle of the day. There is not enough energy from the sun on cloudy days to cook using a typical solar oven.
Meanwhile, remove the racks from the oven, line the bottom of the oven completely with foil, and then turn on the oven to preheat to 175Â°F. Maintaining a steady 175Â°F is really important so use an oven thermometer to confirm that the temperature reaches 175Â°F and remains there.