The kids loved this one!
2 large marshmallows
2 graham cracker squares
1 peanut butter cups
Cook the marshmallows over an open flame or hot coals until they are browned outside, and soft all the way through, 2 to 4 minutes.
Place the marshmallows on top of one of the graham cracker squares. Place the peanut butter cup on top of the marshmallows. Top with the last graham cracker square.