Hot Fudge Sauce
["1 (6 oz.) pkg. semi-sweet chocolate chips", "1 (14 oz.) can sweetened condensed milk", "1 tsp. vanilla extract", "2 Tbsp. butter or margarine", "2 Tbsp. water"]
["In heavy saucepan over medium heat, melt chips and margarine with sweetened condensed milk, water and vanilla.", "Cook and stir constantly until thickened, about 5 minutes.", "Serve warm over ice cream.", "Refrigerate leftovers.", "Makes about 2 cups."]
["semi-sweet chocolate chips", "condensed milk", "vanilla extract", "butter", "water"]