2 eggs
1 c. sugar
1/4 c. butter
1 c. sour cream
2 c. plain flour
1 tsp. baking powder
1/4 tsp. salt
1 tsp. baking soda
1 tsp. vanilla

Cream butter and sugar; add eggs one at a time. Beat until sugar granules can not be felt between fingers. Alternate sour cream and flour mixture and add to egg mixture. Add vanilla. Pour half the batter into a greased and floured bundt or tube pan. Add topping evenly over top of batter.

TOPPING:

1/4 c. sugar
1/2 c. chopped nuts
1 tsp. cinnamon

Mix together. Pour remaining batter over topping. Bake at 350 degrees for 45 minutes.