Sour Cream Crumb Cake - cooking recipe

Ingredients

For cake
2 cups all-purpose flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/4 teaspoon salt
1/2 cup margarine
1 cup sugar
3 eggs
1 teaspoon vanilla
3/4 cup sour cream
For crumb topping
1/4 cup sugar
1/8 cup flour
1 tablespoon margarine
1 teaspoon cinnamon
confectioners' sugar

Preparation

Preheat oven to 350 degrees. Grease and flour 9 inch tube pan.
Sift dry ingredients and set aside.
Beat margarine, sugar, eggs, and vanilla with mixer on high speed until light and fluffy.
At low speed, beat in flour mixture and sour cream, alternating between the two.
Beat until smooth, about 1 minute.
Pour into a pan and bake 50 minutes or until cake tester comes out clean.
For topping: toss ingredients lightly with fork until crumbly.
Remove cake from oven and sprinkle with topping.
Return to over for about 10 minutes.
Let cool in pan on rack 10 minutes.
Remove from pan and sprinkle crumb topped surface with confectioner's sugar.
Serve warm.