1 box yellow cake mix
3/4 c. Wesson oil
4 eggs
1 tsp. vanilla
8 oz. sour cream

Mix and pour into floured and greased 9 x 13 inch pan. In separate bowl, mix: 3 tsp. cinnamon

Sprinkle over cake and swirl with a fork. Bake at 325 degrees for 40 to 45 minutes.

ICING:

2 c. confectioners' sugar
1 tsp. vanilla
4 tbsp. milk

Mix together and pour over hot cake.