Home » Recipes » Peanut Butter Rice Krispies Treats Suggestions? Peanut Butter Rice Krispies Treats - Recipe Cost Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown 1 c. light Karo Ingredients Per Serving Qty Common Price Price per Serving 1 c. sugar 1 tablespoon $1.44 per pound $0.06 1 c. peanut butter 1 tablespoon $4.39 per 18 ounces $0.22 6 c. Rice Krispies 1/2 cup n/a Total per Serving $0.29 Total Recipe $2.85 Please Log In or Sign Up to edit Recipe Cost info Email Recipe Cost Send To Message (if any) or Close