MELT IN YOUR MOUTH SOUR CREAM POUND CAKE

3 c. pre-sifted Swans Down cake flour
1 c. real butter
6 lg. eggs
1 tsp. vanilla
1/4 tsp. baking soda
3 c. sugar
1 c. sour cream
1 tsp. lemon extract
Preheat oven to 325 degrees. Grease and cake flour tube pan or 2 (8 inch loaf pans. Cream butter and sugar. Add eggs one at a time. Add sour cream, lemon extract flavoring and vanilla. Sift flour and soda together and add 1/2 cup at a time. Pour into prepared pans(s) and bake at 325 degrees for 1 1/2 hours.