Box style solar cookers are very popular in Indian households. They come with four containers and everything that can be baked, boiled or steamed can be cooked in these cookers. The convenient thing about these cookers and that you don’t need to stand there, you just need to keep the food in the containers and come back in 3-4 hours and your food is cooked. And furthermore there is no cooking gas required and hence savings. It can be used to cook two meals for about 5-6 people.