1 c. butter
3 c. sugar
1 c. buttermilk
1/4 tsp. baking soda
1/4 tsp. salt
3 c. flour, sifted
2 tbsp. lemon extract
6 eggs, separated

Take 6 tablespoons flour out and add 6 tablespoons cornstarch.

Cream butter and sugar; add egg yolks and extract. Put cornstarch in buttermilk. Add flour, soda and salt sifted together, alternating with butter. Fold in egg whites which have been beaten stiff. Bake 1 hour and 15 minutes at 350 degrees in a 10-inch tube pan.