Krispie Brownies

1 lg. box brownie mix
1 7 oz. jar marshmallow creme
1 c. peanut butter
1 c. semi-sweet chocolate chips
1 c. buttersctotch chips
3 c. rice krispies

Make brownies according to pagkage directions in a 13 x 9 inch pan. Let cool. Spread marshmallow creme on top of brownies. In large saucepan over low heat combine peanut butter, chocolate and butterscotch chips; melt together. Remove saucepan from heat and blend in rice krispies. Spread mixture on top of marshmallow creme. Chill in refrigerator.