3/4 c. butter
1 1/2 c. granulated sugar
4 eggs
3 c. flour
1 1/2 tsp. baking powder
1 1/2 tsp. baking soda
1 pt. sour cream
1 1/2 tsp. vanilla
Filling (see below)

Cream butter, add sugar gradually, beating until fluffy and well mixed. Beat in eggs. Sift flour with baking powder and baking soda; add to batter alternately with sour cream. Stir in vanilla. Prepare filling.

FILLING:

1 1/2 c. ground nuts
1 c. light brown sugar
1 tbsp. cinnamon

In a bowl, combine ground nuts, brown sugar and cinnamon. Grease 10-inch tube pan or bundt pan. Spoon in 1/3 of batter, top with half of nut mixture. Spoon in remaining batter. Swirl filling through batter with a knife. Bake at 350 degrees for 1 hour and 15 minutes or until done. May be removed from pan immediately. Serves 8.