1 c. corn syrup
1 c. sugar
1/2 c. butter
1 c. crunchy peanut butter
7 c. Rice Krispie cereal

Combine syrup, sugar and butter in saucepan. Bring to a boil. Reduce heat and add peanut butter; stir until melted. In large bowl, pour mixture over cereal; stir carefully until well mixed. Spread into buttered 9"x13" pan. Press down lightly with back of spoon. Cool and cut into bars.