1Cut 4 (12-inch) sheets of foil.
2Make deep lengthwise cut along inside curve of each banana, being careful not to cut all the way through. Open slit to form pocket.
3Fill each banana with 2 tablespoons chocolate chips, 2 tablespoons marshmallows and 2 tablespoons cereal.
4Wrap each banana in foil, making sure that foil opening is on top. Using tongs, set wrapped bananas in coals of campfire; cook 8 to 10 minutes. Carefully remove from fire; peel back foil.