Get a fresh start this summer and "Green" your cookout. The downer of traditional summer cookouts are the: VOCs (volatile organic compounds) from charcoal starter, and a none-too-light carbon footprint.
Here is a solar cooker to get you started on "Greening" your barbecue.
are another direct use of solar power. They're amazingly simple devices, utilizing one or more reflectors and a sealed cooking compartment. Relief agencies have made extensive use of solar cookers in the wake of the Haiti earthquake, due to their low cost and ease of construction.
If you don't want to go to the trouble -- or you'd just enjoy the convenience of a well-engineered portable cooker -- Sun BD sells a nifty unit they claim will produce temperatures of up to 400 degrees. That's plenty hot enough to roast meat or vegetables, bake, or boil water. It folds up like a suitcase, making it handy for camping or weekend picnics. Tulsi-Hybrid Cooking Oven