Called Yum-Yum 'cause it is so yummy!

1/2	cup	butter
2	cups	sifted flour
1	teaspoon	baking soda
1/2	teaspoon	salt
1	teaspoon	vanilla
1	cup	sugar
2		eggs
1	teaspoon	baking powder
1	cup	sour cream
	Topping:
1/3	cup	brown sugar
1/4	cup	sugar
1	teaspoon	cinnamon

• Cream butter until soft. Add sugar and sour cream until light and fluffy. Add eggs one at a time.
• Sift flour, baking powder, baking soda, sugar and salt together. Add dry ingredients alternately with sour cream.
• Srir in vanilla.
• Pour 1/2 of the batter in a bundt or 9-inch springform pan. Combine ingredients for topping. Cover batter with 1/2 of the topping mixture. Pour rest of batter over topping and top with remaining topping mixture.
• Bake at 325 degrees for 40 minutes with bundt pan or 45 minutes with springform pan.