Put corn syrup and sugar in sauce pan. Bring to boil and immediately remove from heat.
Stir in peanut butter.
Pour Rice Krispies� in greased 9" X 13" pan. Add peanut butter mixture and mix well. Lightly press into pan.
Melt chocolate and butterscotch chips in the microwave or in a double boiler.
Pour over Rice Krispies� mixture and spread evenly.
Refrigerate for at least 1/2 hour to firm.
Remove from refrigerator, let sit 5 minutes, then cut into squares.