Mix and pour into a 9 x 13 pan:
- 1 box yellow cake mix
- 3/4 C. oil
- 4 eggs
- 1 t. vanilla
- 8 oz. sour cream
In a separate bowl, mix:
- 1 C. brown sugar
- 3 t. cinnamon
Sprinkle over cake and swirl with a fold (fold in).
Bake at 325 for 40-45 minutes.
Icing: Mix together and pour over hot cake:
- 2 C. 10x sugar
- 1 t. vanilla
- 4 T. milk