HAND MIX THIS. Don't use an electric mixer!!!
Mix together cake mix, pudding and flour.
Add sour cream, oil and water.
Add eggs last, one at a time.
Mix sugar and cinnamon in small bowl and set aside.
Spray bundt pan well with cooking spray.
Sprinkle ⅓ of cinnamon/sugar mix on bottom of pan.
Next, pour ½ cake batter, spreading evenly over pan.
Then sprinkle another ⅓ of the cinnamon/sugar mix and the last ½ of cake batter.
Finish with last ⅓ of cinnamon/sugar mix.
Bake at 350 for 45-50 minutes (for the minis I only had to bake for 25 mins - so keep an eye until golden brown).