CAKE MIX:

1 yellow cake mix
8 oz. sour cream
4 eggs
3/4 c. oil
1/2 c. sugar

CINNAMON MIX:

3/4 c. brown sugar
3 tsp. cinnamon

FROSTING MIX:

2 c. powdered sugar
3 or tbsp. milk
1 tsp. vanilla

Mix cake and pour half into a 9x13x2 inch pan. Sprinkle half of cinnamon mix over cake. Pour in the remaining cake mix and top with remaining cinnamon mix. Bake at 275 degrees for 50 to 60 minutes. Mix frosting and pour over hot cake. Cool and enjoy.