Crispy Peanut Butter Balls
["2 c. peanut butter", "4 c. Rice Krispies", "1/2 c. butter", "1 lb. powdered sugar, sifted"]
["Melt peanut butter and butter together in a medium saucepan. Remove from heat. Pour in sugar and Rice Krispies. Mix well and chill.", "Roll into desirable balls.", "\"Ready to eat\"."]
["peanut butter", "Rice Krispies", "butter", "powdered sugar"]