1 c. peanut butter, smooth type
1 c. sugar
1 c. corn syrup, light

Melt over medium heat. Pour mixture over 6 cups of Rice Krispies. Mix until well coated. On low heat, melt:

12 oz. butterscotch chips
12 oz. chocolate chips

Press Rice Krispies mixture into 13x9 inch greased pan. Pour chip mixture over Krispies. Put in refrigerator until hard to cut or let cool 3 hours.