Bailey's Chocolate Cheesecake

Bahan-bahan (12 porsi)

• 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
• 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)
• 1/2 cup heavy cream (or half and half)
• 4 ounces dark chocolate