Rice Chex Treat

1 bag marshmallows

1/2 cube butter

1 bag mini m&m's (put in freezer night before)

2 TBS. peanut butter

6 cups rice chex

Melt butter and marshmallows together and add peanut butter.  Remove from heat and stir in 6 cups rice chex.  Put in greased 9x13 pan then sprinkle with m&m's.