1 3/4 c. egg whites
1 1/2 tsp. cream of tartar
1 c. sugar
1/8 tsp. salt
1 tbsp. vanilla
1 c. cake flour
1 1/2 c. powdered sugar
1/2 c. cocoa

Beat eggs until feathery; add cream of tartar. Beat until stiff but not dry. Add sugar, a little at a time. Add salt and vanilla. Sift cake flour and powdered sugar and cocoa 3 times. Sift into mixture and fold in. Bake in a tube pan for 65 minutes at 325 degrees.