1 box yellow cake mix
3/4 c. Wesson oil
4 eggs
1 tsp. vanilla
8 oz. sour cream
1 c. brown sugar
3 tsp. cinnamon
2 c. confectioners' sugar
1 tsp. vanilla
4 tbsp. milk

Mix together cake mix, oil, eggs, vanilla and sour cream. Pour into a greased and floured 11x13 inch pan.

In a small bowl, mix brown sugar and cinnamon. Sprinkle over cake and swirl with a fork. Bake at 325 degrees for 40-45 minutes.

Mix confectioners' sugar, vanilla and milk and pour over cake while hot.