1 c. butter
2 eggs, beaten
1/2 tsp. vanilla
2 c. sugar
1 c. sour cream
2 c. flour
1 tsp. baking powder
1/4 tsp. salt
1/2 to 3/4 c. blueberries

Cream butter, eggs, vanilla, sugar, and sour cream. Sift flour, baking powder and salt together and add to creamed mixture. Fold in 1/2 to 3/4 cup blueberries. Pour 1/2 of batter into a greased tube pan.

Mix together: 1/2 c. nuts 1 tsp. cinnamon

Pour this on batter and top with remaining batter. Bake for 1 hour at 350 degrees. Cover with foil last 15 minutes. Cool completely and sprinkle with powdered sugar.