Muddy Buddies with the added bonus of the flavor of s'mores!
Using your oven's broiler, toast the mini marshmallows. Rotate the marshmallows and broil on another side. Keep a close watch and remove from the broiler as soon as they turn a golden brown.
Into a large bowl, measure the cereal and set it aside. In a big glass - microwavable bowl, microwave the chocolate chips, peanut butter and butter uncovered on High for 1 1/2 minutes until mixture can be stirred smooth. Stir in vanilla.