Fluffy White Frosting
["1 c. sugar", "1/3 c. water", "1/4 tsp. cream of tartar", "dash of salt"]
["In saucepan, bring to a boil and boil, stirring continually until sugar is dissolved.", "Very slowly, add sugar syrup to 2 unbeaten egg whites in mixing bowl, beating continually with electric mixer until stiff peaks form, about 7 minutes.", "Add 1 teaspoon vanilla."]
["sugar", "water", "cream of tartar", "salt"]