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

FROSTING MIX:

2 c. powdered sugar
3 or 4 tbsp. milk
1 tsp. vanilla

Mix cake and pour half into 9"x13" 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 or 60 minutes. Mix frosting and pour over hot cake. Cool.