INGREDIENTS: 3 cups sugar 1 cup butter 6 eggs, separated 2 teaspoons vanilla 1 tablespoon fresh lemon juice 1 cup sour cream 3 cups all-purpose flour, sift before measuring 1/4 teaspoon baking soda 1/4 teaspoon salt DIRECTIONS: Cream together sugar and butter, add the egg yolks one at time; beat well after each addition. Blend in vanilla, lemon juice and sour cream. Into a separate bowl, sift sifted flour, salt, and soda. Add sifted dry ingredients to batter; beat well. In a separate bowl, beat the egg whites until stiff peaks form. Fold egg whites into the cake batter. Pour into a greased and floured tube or bundt pan and bake at 300° for about 1-1/2 hours or until cake tests done. Cool 10minutes and remove from pan