How about cardboard box baking.
Line a card board box wuth heavy duty foil
Make a rack from green sticks
Mix up what ever bread,cake ,pie according to directions and bake according to instructions.
How you may ask?
each charcoal bricquet is 50 degrees so figure it out. They must be lit to begin with. Place them mon the bottom evenly distributed.Cover the front of the box with foil. The box should be stnding on its end,