1 box yellow cake mix
4 eggs
3/4 c. oil
1 c. (8 oz.) sour cream

Pour half of this batter into a 9x13 inch pan. Sprinkle half of filling on top of batter. Then pour remaining batter on top. Sprinkle last half of filling on top.

FILLING:

1 c. brown sugar
3 tsp. cinnamon

Bake at 325 degrees for 40 minutes. While cake is hot, drizzle on icing.

ICING:

2 c. powdered sugar
4 tbsp. milk
1 tbsp. vanilla