1 c. flour
1/2 c. sugar
10 to 12 egg whites (1 1/4 c.)
1/4 tsp. salt
1 1/4 tsp. cream of tartar
1 c. sugar
1 tsp. vanilla

Sift together flour and 1/2 cup sugar. Beat eggs and salt until frothy. Add cream of tartar to whites; beat until stiff but not dry. Gradually add 1 cup sugar at low speed, scraping sides of bowl often. At low speed add vanilla and flour and sugar mixture until blended. Pour into ungreased tube pan.

Bake at 325°F for 60 minutes. Invert pan until cake is cold.