Sour Cream Coffee Cake

Grrrrrgh!
Course : Cakes
From: HungryMonster.com
Serves: 6
 

Ingredients:

2 tablespoons butter
1 cup sugar
3 large eggs
1 teaspoon pure vanilla extract
1 1/2 cups cake flour
1/2 cup all-purpose flour
1 teaspoon baking powder
1 teaspoon baking soda
1/2 pint sour cream
---TOPPING---
3/4 cup light brown sugar -- packed
3/4 cup nuts -- chopped
2 tablespoons butter -- softened
4 tablespoons all-purpose flour
1/4 teaspoon cinnamon
1/4 teaspoon salt
 

Preparation:

1. Cream butter and sugar; add eggs, beating with each addition, then vanilla. 2. Sift together dry ingredients and add alternately with sour cream to creamed mixture. 3. Pour half of batter into greased 9 x 12-inch pan; sprinkle with 1/2 of topping. 4. Pour and spread remaining batter; sprinkle with remaining topping. 5. Bake in preheated 350 F. oven 30 minutes. Topping Rub together all ingredients.