Marshmallow Krispie Bars

1 pkg Brownie mix
1 pkg mini marshmallows
1 1/2 c. chocolate chips
1 c. creamy peanut butter
1 tbsp butter
1 1/2 c. rice krispie cereal

Prepare brownies according to directions on box. Remove from oven. Sprinkle marshmallows on hot brownies. Return to oven and bake for 3 mins.

Place chocolate chips, peanut butter, & butter in saucepan. Cook over low heat, stirring constantly, until chips are melted. Add rice krispie cereal.

Spread mixture over marshmallow layer. Refrigerate until chilled.