Mix:

Golden Butter Duncan Hines cake mix
4 eggs
3/4 c. oil
1/2 c. sugar
8 oz. sour cream

Mix:

3/4 c. brown sugar
3 tsp. cinnamon

Pour 1/2 batter in 9 x 12 inch pan (greased). Sprinkle 1/2 brown sugar. Top with other 1/2 batter and sprinkle other 1/2 of brown sugar. Bake at 250 degrees for 1 hour. Drizzle 2 cups powdered sugar mixed with 3 tablespoons milk over hot cake.