2 1/4 cups
1 1/2 teaspoons baking powder
1 1/2 teaspoons baking soda
3/4 cup butter, soft
1 cup sugar
2 teaspoons vanilla
For streusel mixture:
light brown sugar
3/4 cup walnuts, chopped
1 teaspoon cinnamon
Preheat oven at
Butter and flour a 10-inch tube pan. Combine flour, baking
powder, soda, and salt. Set aside.
Cream butter and sugar till light. Add
eggs, one at the time, mixing well after each addition. Add flour mixture to
batter alternately with sour cream and vanilla.
ingredients. Set aside ½ cup. Toss remaining with blueberries. Spread
batter in pan. Sprinkle with half of the blueberry mixture. Then spread of the
batter and sprinkle with remaining blueberries.
Top with remaining batter.
Sprinkle reserved mixture over batter. Bake 60 to 65 minutes. Cool 10 minutes.
Remove from pan.