Step 1

Preheat oven to 350 and grease a 9x13 pan.

Step 2

Mix cake mix, eggs, oil, sugar, and sour cream until blended.

Step 3

Pour half of the batter in the pan.

Step 4

Combine brown sugar and cinnamon and spread over cake batter.

Step 5

Spread the rest of the cake batter on top of brown sugar mixture.

Step 6

Bake for approximately 40 minutes.

Step 7

Mix powdered sugar, vanilla, and milk.

Step 8

Once cake is cooled, pour glaze on top of cake.