1/2 lb. butter (room temperature)
3 c. sugar
6 eggs (room temperature)
3 c. plain all-purpose flour
1/4 tsp. salt
1/4 tsp. baking soda
1 tsp. vanilla
1/2 pt. sour cream

Combine flour, soda and salt in a bowl; set aside. Cream butter and sugar. Add eggs, 1 at a time. Alternate with flour mix. Add vanilla. Add sour cream only until mixed. Pour into greased and floured tube pan. Cook at 325°F for 1 hour and 30 minutes. Note: Do not open oven while cake cooks.