Solar Brother offers you plans for a solar dish.
This tutorial will enable you to build an inexpensive solar dish from 50 to 120 cm in diameter using an old TV dish, or by constructing your own from cardboard. We recommend you opt for the S.Reflect® self-adhesive soft mirror for optimum performance with your dish. Don’t let the homemade look fool you: once built, this easy-to-use, lightweight solar cooker will bake your best recipes to perfection!