1 Duncan Hines butter batter cake mix
1 box instant vanilla pudding
1/2 c. oil
1/4 c. water
4 eggs
1/2 pt. sour cream

Combine all ingredients; mix well. Pour in greased bundt pan.

TOPPING:

1/2 c. dark brown sugar
2 tbsp. cinnamon

Mix together topping and sprinkle on top of batter and swirl through batter with spatula. Bake 50 to 60 minutes at 350 degrees.