1 c. cake flour, sifted
1 1/2 c. powdered sugar, sifted
12 egg whites (1 1/2 cups)
1 1/2 tsp. cream of tartar
1/3 tsp. salt
2 tsp. vanilla
1 c. sugar

NOTE: All purpose flour, sifted 10 times plus 1 tablespoon cornstarch per 1 cup equal cake flour.

Sift cake flour and powdered sugar 3 times and set aside. Beat egg whites, cream of tartar, salt, and vanilla until foamy. Add sugar, 2 tablespoons full at a time, beating continually until stiff peaks form. Gradually fold in flour mixture until well blended. Pour into ungreased angel food cake pan and cut with knife to remove air holes. Bake at 375 degrees for 45 to 50 minutes. Turn upside down on bottle to cool.