Peanut butter cereal treats...yum!!! Melt 4 tbsp butter and 10 oz bag mini marshmallows on low heat, add a large dollop of peanut butter, mix well. Pour over 7 cups of captain crunch peanut butter cereal, mix well. Mix 2 oz of Reese pieces in. Spray 9x13 pan with Pam and press mixture in. Sprinkle 2 oz Reese pieces on too and press in lightly. Allow to cool on counter and cut into squares.