The Minimum Solar Box Cooker is a simple box cooker that can be built in a few hours for very little money. Using ideas developed by many different people, Tom Sponheim and Mark Aalfs attempted to come up with the simplest design that they could devise at the time (1990). They named it the "Minimum Solar Box Cooker." What they didn't communicate with that name was that this is a full-power cooker that works very well, and is in no way minimum as far as its cooking power goes. Two cardboard boxes