Chocolate Orange Cheesecake

Ingredients:

1 1/2 cups chocolate cookie crumbs
1/4 cup unsalted butter, melted
24 oz cream cheese, softened
1 cup granulated sugar
1/4 cup cocoa powder
3 large eggs
1 teaspoon vanilla extract
1/2 cup heavy cream
Zest of 2 oranges
1/2 cup dark chocolate, melted and slightly cooled
1/2 cup orange marmalade
For the Topping:

1 cup heavy cream
1/4 cup powdered sugar
1/2 teaspoon vanilla extract
1/4 cup dark chocolate shavings
Orange slices for garnish
Directions:
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