1 yellow cake mix
1 family size pkg. vanilla instant pudding mix
4 eggs
1/2 c. oil
1 c. sour cream

Mix at medium speed for 4 minutes.

CRUMB:

1/2 c. brown sugar
1/2 c. chopped nuts
3 tbsp. flour
1 tbsp. cinnamon

Mix together.

Grease and flour a tube pan. Alternate layers of cake mix and crumb mixture. Bake at 350 F. for 1 hour.