1 pkg. chocolate cake mix
1 (3 3/4 oz.) pkg. vanilla or chocolate instant pudding mix
2 c. sour cream
4 eggs
3/4 c. oil
1/3 c. Kahlua
6 oz. pkg. chocolate chips

Combine cake mix, pudding mix, sour cream, eggs, oil, and Kahlua. Mix until well blended. Stir in chocolate chips. Pour into a well-greased and floured Bundt pan. Bake at 350 degrees for 1 hour.