1 box yellow cake mix
4 eggs
1 c. sour cream
2/3 c. vegetable oil

Mix together and pour 1/2 of mixture in a 9 x 13 inch pan. Mix 1 cup brown sugar and 3 tablespoons cinnamon; sprinkle over mixture, then pour rest of batter over this and cut through with a knife. Bake at 325 degrees for 40 minutes. Mix and pour over cake while hot: 1/2 c. milk 2 tsp. vanilla