BARS:

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

TOPPING:

1 c. chocolate chips
6 tbsp. butter

Melt sugar and syrup over low heat. Bring to a boil and then turn down. Add peanut butter. Stir until melted. Add Krispies and pat into greased 9x13 pan. Melt topping and pour over top. Let set overnight.