The 'butterfly' solar cooker provides a lot of heat. A litre of water boils in 7 minutes (this measurement was done at 10.30 in the morning on a typical sunny day in Bosaso using a six year old 'butterfly' cooker. The starting temperature of the water was 32 degrees Celsius (90 degrees Farenheit).



The cooker provides enough heat to cook flat breads.



And if your not careful you can burn your food. Just like a charcoal, gas or electric stove.