1 lb. butter, softened
2 c. sugar
2 1/2 c. Swans Down cake flour
6 eggs, separated
2 tsp. lemon flavor

Mix butter, sugar and egg yolks about 10 minutes. Add flour gradually. Add egg whites and beat another 10 minutes. Add flavor. Put in greased and floured 10 inch tube pan. Bake 1 hour at 350 degrees.