1 box super moist yellow cake mix
3/4 c. oil
4 eggs
1 (8 oz.) sour cream
1 c. brown sugar
2 tsp. cinnamon

ICING:

1 c. powdered sugar
1/4 c. milk
1 tsp. vanilla

Mix together cake mix, oil, eggs and sour cream; pour half into pan. Mix together cinnamon and brown sugar; pour half over half of batter. Pour rest of batter and the rest of brown sugar and cinnamon. Bake at 350 degrees for 40 minutes or until done.

Icing: Mix together and pour over cake while its still hot.