🔸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
🔹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 pan and bake at 300° for about 1-1/2 hours or until cake tests done.
adapted from what2cook