1 package 2 layer size devil's food or fudge chocolate cake mix

1 8-oz. carton dairy sour cream

1/2 cup cooking oil

1/2 cup water

4 eggs

1 4-serving-size pkg. instant chocolate fudge pudding mix

1/4 cup coffee liqueur

2 TBSP. finely shredded orange peel

1 tsp. ground cinnamon

1 12-oz. pkg. semisweet chocolate pieces

Grease and flour a 10-inch fluted tube pan. In large mixer bowl combine cake mix with all the ingredients except chocolate chips. Beat with an electric mixer on low speed till blended, scraping sides of bowl constantly. Beat on medium speed for 4 minutes. Stir in chocolate chips. Pour into prepared pan. Bake in 350 oven for 50-60 minutes or till toothpick comes out clean. Cool on rack for 10 minutes. Remove from pan and cool on rack. Sprinkle with powdered sugar, if desired