Chocolate Cheesecake V

Directions

1. 1
   Preheat oven to 300 degrees F (140 degrees C). Using a fork, combine the melted butter and cookie crumbs. Press mixture into the bottom of a 9 inch springform pan to form the crust.
2. 2
   In a large bowl, beat together the cream cheese, sugar and eggs until blended. Pour half of the cream cheese mixture into the crust. Stir 2 ounces melted chocolate into remaining cream cheese mixture, then pour over the first layer.
3. 3
   Bake cheesecake on the center rack of preheated oven for 50 minutes. Let cool completely in the pan, then cut around edges with a knife to loosen cheesecake before removing pan sides.
4. 4
   In a medium bowl, combine 6 ounces melted chocolate and sour cream, stirring until blended. Spoon mixture on top of cooled cheesecake. Keep refrigerated until ready to serve.