MARBLED CHOCOLATE CHEESECAKE

Steps:

• To prepare crust: In a medium bowl, mix together chocolate crumbs and melted butter until well blended.
• Press into a 9-inch springform pan.
• Preheat oven to 300°F.
• To prepare filling: In a large bowl, beat together cream cheese, sugar, and eggs at medium speed until smooth and fluffy.
• Spoon half of cream cheese mixture into crust.
• Stir chocolate into remaining cream cheese mixture until well blended.
• Spoon over batter in crust.
• Run a butter knife (careful not to touch crust) in a"S" curve through batter ONCE.
• Bake cheesecake for 50 minutes.
• Transfer pan to wire rack to cool completely.
• After cooled, transfer cheesecake to serving plate, cover with plastic wrap and chill for at at least 2hours.
• Uncover cheesecake; carefully remove the side of pan.
• To prepare frosting, in a small bowl, mix chocolate and sour cream.
• Spread over cheesecake.
• Chill briefly until frosting is set.