1 pkg. white cake mix
1 (8 oz.) carton sour cream
3/4 c. cooking oil
1/2 c. sugar
4 eggs

Mix together in bowl until smooth. Pour 1/2 batter into Bundt or tube pan.

Mix:

3 tbsp. brown sugar
1 c. chopped nuts
2 tsp. cinnamon

Pour 1/2 of this mixture on top of batter. Add other half of batter. Pour on other half of sugar-nut mixture. Bake about 1 hour at 325 degrees to 350 degrees.