3/4 c. corn syrup
3/4 c. firmly packed brown sugar
3/4 c. peanut butter
6 c. Kellogg's Rice Krispies

TOPPING:

2/3 c. chocolate chips
1/3 c. butterscotch chips

In large saucepan, combine corn syrup and brown sugar. Cook over medium heat, stirring frequently, until mixture bubbles. Remove from heat. Add peanut butter. Stir until combined. Add Rice Krispies cereal, stirring until well coated. Using buttered spatula or waxed paper, press mixture evenly and firmly in buttered 9"x13" pan. Spread topping over mixture. Cool.