1 pkg. yellow cake mix
4 eggs
2/3 c. vegetable oil
2/3 c. water
1 c. sour cream
1 c. brown sugar
3 tsp. cinnamon

Mix the cake mix, 4 eggs, cooking oil, water, and sour cream. Bake in 9 x 13 inch pan in preheated oven at 350 degrees. Place half the batter in the pan. Swirl in half the brown sugar and cinnamon. Bake 40 to 50 minutes. Remove from oven and poke holes in hot cake. Pour 3 cups of powdered sugar, six tablespoons milk, and 1 teaspoon vanilla mixed together over the hot cake. Eat it until it is all gone.