Dark Chocolate Frosting
["1 (14 oz.) can sweetened condensed milk (not evaporated milk)", "2 oz. unsweetened chocolate", "dash of salt", "3 Tbsp. water", "1 tsp. vanilla"]
["In double boiler combine sweetened condensed milk, chocolate and salt.", "Cook until chocolate melts and mixture is very thick. Add water and vanilla and stir rapidly until smooth.", "Cool 10 minutes.", "Use to frost one 8-inch or 9-inch two layer cake or one 13 x 9-inch cake or 2 dozen cupcakes."]
["condensed milk", "unsweetened chocolate", "salt", "water", "vanilla"]