DIY Cardboard Solar Oven | Thought on a Roll

Yesterday, I posted the upcoming weather forecast for Northern California on Facebook, showing we’d be 105°-108°F (40.5° – 42°C) degrees all week long.

One of my high school classmate made a joke that I should bake cookies in my car or on my forehead. I was inspired…but I may have let t….

Source: DIY Cardboard Solar Oven | Thought on a Roll