1 box yellow cake mix
2/3 c. vegetable oil
1/3 c. water
4 eggs
1 c. sour cream
1 tsp. cinnamon
1 c. light brown sugar
1 c. chopped pecans

Mix cake mix, oil, water, eggs and sour cream. Beat until well blended. Grease and flour 9 x 13 inch pan. Mix together cinnamon, brown sugar and pecans. Pour 1/2 cake batter into pan. Spread 1/2 of sugar, cinnamon and nut mixture over batter. Pour remaining batter over that. Spread remaining sugar, cinnamon and nuts on top. Swirl with a knife blade. Bake at 350 degrees for 35 to 40 minutes or until cake tests done.

GLAZE:

2 c. powdered sugar
1 tsp. vanilla
1/4 c. can milk

Mix sugar, vanilla and milk together. Drizzle over cake when take from oven.