The ultimate chocolate and orange two-layered cheesecake!

Chocolate Orange Supreme Cheesecake

1 cup chocolate wafer crumbs
1/4 teaspoon ground cinnamon
3 tablespoons butter or margarine, melted
4 (8-ounce) packages cream cheese, softened
3/4 cup granulated sugar
4 large eggs
1/2 cup sour cream
1 teaspoon vanilla extract
1/2 cup semisweet chocolate chips melted
2 tablespoons orange liqueur
1/2 teaspoon grated orange peel

1. Combine chocolate wafer crumbs, cinnamon, and melted butter; press onto the bottom of a 9-inch springform pan. Bake at 325°F (160°C) for 10 minutes.
2. In a bowl, combine softened cream cheese and sugar; mixing at medium speed with an electric mixer until well blended. Add eggs, one at a time, mixing well after each addition. Blend in sour cream and vanilla. Reserve 3 cups of the batter. Blend melted semisweet chocolate chips in to remaining batter.
3. Stir orange liqueur and grated orange peel into the reserved batter. Pour the chocolate batter over the crust.
4. Bake at 350°F (175°C) for 30 minutes.
5. Reduce the oven temperature to 325°F (160°C), then spoon the remaining batter over the chocolate batter and continue baking for 30 minutes.
6. Loosen the cake from the rim of the pan; cool before removing from the pan. Chill.

Makes 12 servings.