1 box Duncan Hines delux white cake mix
1 (3 oz.) box vanilla pudding, instant
1/2 c. vegetable oil
4 eggs
8 oz. carton sour cream
1 tsp. vanilla flavoring

Mix all ingredients together. Dough will be very thick. Mix:

1 c. white sugar
1 1/2 tsp. cocoa
1 1/2 tsp. cinnamon

Use tube pan. Place some of the cake mixture in pan, then add some of the sugar mixture. Alternate layers in pan, finishing with cake mixture on top. Insert a knife in mixture and swirl mixture in pan. Bake one hour at 350 degrees.