Coffee Cake With Streusel Topping

Ingredients

1 1/2 c all purpose flour
1 c sugar
3 ts double-acting baking powder
1/4 ts salt
1 c sour cream
1/2 ts vanilla extract
2 eggs
2 tb flour
2 tb butter
2 tb sugar
3 tb brown sugar
9 by
9 greased cake

Instructions

(RECIPE Follows). Bake about 20 minutes. STREUSEL TOPPING: PLACE ALL INGREDIENTS together in a mixer and mix until crumbled.