Easy Fudge
["12 oz. (2 c.) semi-sweet chocolate chips", "1/2 c. (1 stick) margarine", "18 oz. (2 c.) peanut butter (smooth)", "2 c. puffed rice cereal"]
["Melt margarine, chocolate and peanut butter together in heavy-duty saucepan over a slow heat, stirring constantly until it begins to boil.", "Remove from heat immediately.", "Stir in cereal. Pour into greased 9 x 13-inch pan.", "Chill; cut into squares. (Refrigerate in hot weather.)", "Can be done in microwave."]
["semi-sweet chocolate chips", "margarine", "peanut butter", "puffed rice cereal"]