1 c. sugar
1 c. white Karo syrup
1 c. peanut butter
5 c. Rice Krispies
1 c. nuts (optional)
1 c. chocolate chips
1 c. butterscotch or caramel chips

Cook sugar and syrup on medium heat and boil until little bubbles form. Mix peanut butter, Rice Krispies and nuts with the syrup mixture. Press into buttered 9 x 13-inch pan. Melt all chips in double boiler and spread on top of squares.