Chocolate Chip Cake - cooking recipe

Ingredients

yellow cake mix (Duncan Hines Moist Deluxe Butter Recipe)
chocolate instant pudding mix
8 oz. sour cream
4 eggs
1/2 c. salad oil
1 tsp. vanilla
1 c. chocolate chips
1 c. chopped nuts (optional)

Preparation

Mix cake mix and pudding in large bowl.
Add sour cream, eggs, oil and vanilla.
Mix for 5 minutes.
Add chocolate chips and nuts.
Stir until mixed.
Pour into 10-inch tube pan, which has been greased and floured.
Bake at 350\u00b0 for 1 hour.
Cool for 30 minutes.