BOTTOM:

1/2 c. peanut butter
1/4 c. corn syrup
2 tbsp. sugar
1 1/2 c. Rice Krispies

In medium saucepan, combine peanut butter, corn syrup and sugar; cook over low heat until peanut butter is melted. Stir off heat; stir in Rice Krispies until well-coated. Press into foil lined 8 x 8 x 2 pan.

TOP:

1 c. semi-sweet chocolate chips
1/4 c. corn syrup
2 tbsp. sugar
2 tbsp. butter
1 1/2 c. Rice Krispies

In medium saucepan, combine chocolate chips, corn syrup, sugar, butter; cook over low heat until chocolate and butter are melted. Stir off heat; stir in Rice Krispies. Press on top of peanut butter layer. Cut into squares or rectangles.