1 box yellow cake mix
1 c. vegetable oil
1 c. sour cream
4 eggs
1 box instant vanilla pudding

Put cake mix in large bowl. Beat remaining ingredients in order listed. Beat 6 minutes. Turn half of batter into greased tube pan. Sprinkle half of topping mixture, add rest of batter. Add remaining topping mixture. Bake 50 to 60 minutes in 350 degree oven.

TOPPING:

4 tbsp. sugar
4 tbsp. flour
2 tsp. cinnamon
1/4-1/2 c. chopped nuts

Mix above ingredients. This can also be made in a 9"x13" pan.