1 box Duncan Hines yellow cake mix
1/2 c. white sugar
3/4 c. oil
4 eggs
1 c. pecan nuts, chopped
1 c. sour cream

Mix cake mix, sugar, oil, and whole eggs, sour cream, and pecans. Blend 4 minutes. Pour half batter in pan. Mix cinnamon, brown sugar, sprinkle 1/2 over batter then add rest of batter then add remaining sprinkle mixture on top. Bake for 30 minutes at 350 degrees.