Cinnamon Bundt Cake

1 yellow cake mix

1 sm. Pkg. instant vanilla pudding

8 oz. sour cream

¾ cup water

¼ cup oil

4 eggs

3 TBSP flour

Grease bundt pan and sprinkle it with cinnamon sugar. Pour ½ of the batter in the pan then sprinkle generously with cinnamon sugar.  Add the rest of the batter and sprinkle generously with cinnamon sugar again.  Bake at 350 degrees for 45 minutes.  Let the cake sit for 10 minutes before removing from the pan.