1 pkg. chocolate cake mix
1 sm. pkg. vanilla instant pudding
2 c. sour cream
2 eggs
1/3 c. Kahlua
1/4 c. oil
1 (12 oz.) pkg. chocolate chips
1 c. chopped nuts

Mix all ingredients by hand. Bake in greased bundt pan for 45 to 50 minutes. Let stand for 30 minutes. Sprinkle with powdered sugar when cooled.