Peanut Butter RiceKrispies without Marshmallows. Ingredients: 1 c. sugar, 1 c. corn syrup, 1 1/2 c. peanut butter, 5 c. rice krispies cereal In a large pan on stovetop, bring the corn syrup and sugar to a boil. Stir in peanut butter. Add the rice cereal. Remove the mixture to the buttered pan. Evenly distribute the mixture and press it down into the pan with a piece of waxed paper. Let cool and cut into squares. Absolutely the BEST I have ever tasted!