Sour Cream Coffee Cake - cooking recipe

Ingredients

1 pkg. yellow cake mix
1 pkg. instant vanilla pudding
1/2 pt. sour cream
1/2 c. oil
4 eggs
3/4 c. sugar
4 Tbsp. cinnamon
1 c. chopped walnuts

Preparation

Cover with remaining batter and cinnamon mixture.
Cut to marbleize with knife.
Bake 1 hour at 350\u00b0.
Cool. Do not invert pan.