Peanut Butter Sighs
["1/2 c. creamy peanut butter", "2 c. xxx sugar", "1 stick margarine", "6 oz. semi-sweet chocolate"]
["Microwave peanut butter and margarine on High for 1 1/2 minutes or until margarine melts.", "Stir in xxx sugar.", "Spread mixture in 9 x 13-inch greased pan.", "Soften chocolate on Medium-High 1 1/2 minutes.", "Stir to remove lumps.", "Do not overcook.", "Spread over peanut butter mixture.", "Sprinkle with xxx sugar.", "Refrigerate.", "Cut or break into pieces."]
["peanut butter", "sugar", "margarine", "semi-sweet chocolate"]