Fudge
["3 c. semi-sweet or milk chocolate chips", "1 (14 oz.) can sweetened condensed milk", "1/4 c. margarine or butter", "1 c. chopped walnuts"]
["Place all ingredients, except nuts, in large bowl.", "Microwave until chocolate chips are melted, 3 to 5 minutes, stirring once or twice.", "Stir in nuts.", "Pour into well-greased baking dish. Refrigerate."]
["semi-sweet", "condensed milk", "margarine", "walnuts"]