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

Mix all ingredients well and pour half in a long cake pan that has been greased and floured. Take 1 cup brown sugar and 3 teaspoons cinnamon and mix well. Sprinkle half of the mixture over the cake. Top with the remainder of the cake mix, then pour the rest of the brown sugar and cinnamon on top of cake batter. Bake at 350 degrees for 1 hour 15 minutes or until toothpick inserted comes out clean.

ICING:

2 c. powdered sugar
4 tbsp. milk

Mix together and pour over warm cake.