What is best design for a solar cooker?

Question

i am planning to construct and award a number of this to lucky listeners of a local environment program and another to a religious program together with stickers to advertise their air time. That way, i may contribute for the protection of this earth

Answer 1

Here is a Compendium of solar cooker designs.  This should give you some ideas on what to make.

http://solarcooking.wikia.com/wiki/Compe...

Answer 2

A pot with a piece of glass on top of it sitting on the picnic table in the sun

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Will do it every time and they are cheep to own all you need is a piece of glass big enough to cover the top of the pot

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