1 c. light Karo syrup
1 c. white sugar
1 c. peanut butter
6 c. Rice Krispies

Bring syrup and sugar to boil, stirring constantly. Stir in peanut butter and Rice Krispies. Pat gently into greased 9 x 13 pan. Melt 6 ounces of chocolate and 6 ounces butterscotch chips together. Spread over bars. Chill for 1/2 hour if needed.