FLUFFY WHITE FROSTING (aka 7-MINUTE FROSTING) Combine 1 cup granulated sugar, 1/3 cup water, 1/4 tsp. cream of tartar and dash of salt in saucepan. Bring to boiling, stirring until sugar dissolves. Very slowly add sugar syrup to two unbeaten egg whites in mixing bowl, beating constantly with electric mixer until stiff peaks form, about 7 minutes. Beat in one teaspoon vanilla.