Tawny Satin Frosting
Mix thoroughly in top of double boiler 2 unbeaten egg whites, 1 cup granulated sugar, ½ cup brown sugar, firmly packed, 4 tablespoons water, 3 tablespoons dark corn sirup, ¼ teaspoon cream of tartar, and ⅛ teaspoon salt. Set over rapidly boiling water and beat constantly with rotary egg beater until mixture will hold a peak (7 min.). Remove from hot water, add 1 teaspoon vanilla, and beat until cool and thick enough to spread. Yield: frosting for tops and sides of two 9″ layers.