1 c. light Karo
1 c. sugar
1 c. peanut butter
6 c. Rice Krispies
6 oz. chocolate chips
6 oz. butterscotch chips

Bring Karo and sugar to a boil in a large saucepan. Stir in peanut butter and Rice Krispies. Spread in 9"x13" pan. Melt chocolate and butterscotch chips in top of double boiler. Spread over Rice Krispie mixture.