1/4 c. firmly packed brown sugar
2 tsp. cinnamon
1 c. chopped pecans, divided
1 pkg. yellow cake mix
3/4 c. salad oil
1/2 c. sugar
1 tsp. vanilla
4 eggs
1 c. sour cream

Grease and flour a 10 inch tube pan. Combine brown sugar, cinnamon and 1/2 cup pecans, set aside. Combine cake mix, oil, sugar, vanilla, eggs and sour cream, beat 2 minutes at medium speed. Stir in 1/2 cup pecans. Pour half of batter into pan. Sprinkle brown sugar mixture over batter. Pour remaining batter into pan. Bake at 325 degrees for 50-60 minutes. Allow cake to cool in pan 30 minutes, before turning out.