2 c. flour
1 tsp. baking powder
1/2 tsp. baking soda
1/4 tsp. salt
1/2 c. butter
1 c. sugar
3 eggs
1 tsp. vanilla
3/4 c. sour cream

CRUMB TOPPING:

1/4 c. sugar
1/8 c. flour
1 tbsp. butter
1 tsp. cinnamon
Confectioners' sugar

Preheat oven to 350 degrees. Grease and flour 9 inch tube pan. Sift dry ingredients; set aside.

At high speed in large bowl, beat butter, sugar, eggs and vanilla until light and fluffy (about 5 minutes).

At low speed beat in flour mixture in 4ths alternating with sour cream in thirds, beginning and ending with flour.

Beat until smooth, about 1 minute. Pour into pan. Bake 50 minutes or until cake tester comes out clean.

Topping: Toss ingredients lightly with fork until crumbly. Remove cake from oven; sprinkle on top. Return to oven 10 minutes. Let cool in pan on rack 10 minutes. Remove from pan. Sprinkle crumb-topped surface with confectioners' sugar. Serve warm. Makes 10 servings.