1 pkg. dark chocolate cake mix
1 pkg. chocolate/fudge pudding mix (sm. reg. cook)
4 eggs, slightly beaten
1 c. sour cream
3/4 c. Irish cream liqueur
1 (12 oz.) pkg. chocolate chips

Combine first 5 ingredients, beat with mixer until smooth. Stir in chips. Bake at 350 for 45 minutes or until toothpick comes out clean. Bake in bundt pan.