Gosun Stove has produced the portable slab Gosun Solar Dogger, which uses exclusively the strength of the sun (not solar batteries, namely the sun) to prepare hot dogs, sausages-grille and other compact objects that have an appropriate tubular shape. Such a stove is $ 59.
Gosun Solar Dogger is a tourist stove or a summer cottage for preparing a hot car, which is based on technologies previously developed by the company. When you need to cook something, you need to open the parabolic reflectors for focusing sunlight on a borosilicate glass vacuum tube in which food is prepared. The isolated pipe is closed with a lid, and heat is held inside it for cooking. The company says that two hot dogs in this furnace will prepare in just 10 minutes. But depending on the conditions and sunlight, cooking can take two hours.
The company has the same grills in which you can prepare more diverse food.