Cream butter; gradually add sugar, beating well at med. Speed of an electric mixer. Add eggs, one at a time, beating after each addition. Combine sour cream and next 6 ingred. In a sm. Bowl; stir with a wire whisk. Combine flour, baking soda, and salt; stir well. Add to creamed mixture alternately with sour cream mixture, beginning and ending with flour mixture. Pour batter into a greased and floured 10" tube pan. Bake at 325 for 1 hr. And 45 min. Or until a wooden pick inserted comes out clean. Let cake cool in pan 10 min.; remove from pan, and let cool completely on a wire rack. Yield: One-10" cake.