1 box yellow cake mix
1 c. butter
4 eggs
8 oz. cream cheese
1/2 c. brown sugar
1/2 c. dry cake mix
2 tbsp. cinnamon
1 c. powdered sugar
1 tbsp. milk
1 tsp. vanilla

Preheat oven to 350°F. Grease a 13 x 9-inch glass pan. Remove 1/2 cup dry cake mix. Beat together cake mix, eggs, butter and sour cream for 2 minutes. Spread half of batter in pan. Stir together brown sugar, dry cake mix and cinnamon. Add to rest of batter. Mix well. Pour over top of batter in pan. Cook for 30 to 35 minutes. Stir powdered sugar, milk and vanilla. Poke holes in warm cake with fork. Pour glaze over top of warm cake. Cool for 1 hour before serving.