Peanut Butter Cup Candy
["1 lb. butter or margarine, melted", "2 lb. peanut butter", "2 lb. powdered sugar", "2 1/2 to 3 (12 oz.) bags milk chocolate chips"]
["Melt butter.", "Add peanut butter and stir until creamy.", "Stir in powdered sugar.", "Pat into 17 x 11 x 1-inch jelly roll pan or other large pan. Melt chocolate chips and spread on top.", "Let set until firm."]
["butter", "peanut butter", "powdered sugar", "chocolate chips"]