Crisp Peanut Butter Balls
["2 c. peanut butter", "4 c. crisp rice (cereal)", "1/2 c. butter or margarine", "1 lb. powdered sugar, sifted"]
["Melt peanut butter and butter or margarine together in a medium saucepan.", "Remove from heat; pour in sugar, then crisp rice.", "Blend well and chill.", "Roll into desirable size balls."]
["peanut butter", "crisp rice", "butter", "powdered sugar"]