1 c. Karo syrup (light or dark)
1 c. sugar
1 c. peanut butter
6 c. Rice Krispies cereal

Grease a 9 x 13 inch pan. In a large pan over low heat, stir together first 3 ingredients. While stirring constantly, bring to a boil and boil 3 minutes. Remove from heat and add cereal; toss to coat well. Press into pan. Cool and cut into squares.