Stuffing (chocolate chips, marshmallows, peanut butter chips, butterscotch chips, m&ms, nuts, etc.)
Cut a slit along the banana (just to cut open peel and not too much of the banana inside).
Shovel as much "stuffing" as you can between the peel and banana. Wrap tightly in a piece of foil.
Place on coals or in oven preheated to 350 degrees until chips melt and banana is softened (be careful when removing from fire or oven as the foil gets pretty hot).
Unwrap banana boat, add a couple of spoons and share!
And of course, we had to sing the "Peel Banana" camp song afterwards: