1 c. sugar
1 c. Karo
1 1/2 c. peanut butter
6 c. Rice Krispies
1 1/2 c. chocolate chips

Combine sugar and Karo until sugar melts (medium heat). Add peanut butter to mixture, stirring until blended. Pour over Rice Krispies and mix well. Pour and press into 11 x 15 inch greased pan. While mixture is cooling, melt chocolate chips over hot water (not boiling). Spread over pan mixture. Cool, then cut into bars. Store tightly covered.