1 box Duncan Hines white cake mix
1 c. sour cream
1 tsp. vanilla
2 tsp. cinnamon
1/2 c. sugar
3/4 c. Wesson oil
4 eggs
1 tsp. butter flavoring
3 tbsp. brown sugar

Mix sugar, cake mix, sour cream and oil. Beat until creamy. Add eggs, 1 at a time, beating after each addition. Stir in flavorings. Beat for 5 minutes. Pour 1/2 of batter into greased and floured tube pan.

Combine brown sugar and cinnamon. Sprinkle 1/2 of the mixture over batter. Pour remaining batter into pan and sprinkle with rest of cinnamon mixture.

Bake at 350°F until done.

Glaze:

1 c. powdered sugar
1/2 tsp. vanilla
1 tbsp. milk

Combine ingredients and glaze cake.