1 box chocolate chip cake mix
4 eggs
8 oz. sour cream
3/4 c. oil
1 c. brown sugar
3 tsp. cinnamon

Mix cake mix, eggs, sour cream and oil together. Set aside. Mix brown sugar and cinnamon together.

Grease and flour pan or dish (13 x 9). Pour 1/2 cake mixture in pan. Sprinkle half of sugar mixture over it. Add remaining cake mixture topped with remaining sugar mixture. With a knife swirl through cake mixture. Be careful not to touch bottom.

Bake at 325 degrees for 35 to 40 minutes. While cake is hot, top.

TOPPING:

2 c. powdered sugar
4 tbsp. milk
1 tsp. vanilla

Mix together and pour over hot cake.