Crust Ingredients:
1 1/2 cups chocolate graham cracker (or chocolate cookie) crumbs
1/3 cup powdered (confectioner's) sugar
1/3 cup unsweetened cocoa powder
1/4 cup (half a stick) butter, melted
Cheesecake Ingredients:
3 (8 ounce) packages cream cheese, softened (I used 1/3 less fat)
1 1/4 cups white sugar
1/4 cup unsweetened cocoa powder
3 Tbsp. all-purpose flour
3 eggs
1/2 cup sour cream
1/2 cup Bailey's (or other Irish cream liqueuor)
Chocolate Ganache Ingredients (Optional):
1/2 cup heavy cream (or half and half)
4 ounces dark chocolate