Crust

1. Preheat oven to 350F/180C and line a 9X9 pan with foil and grease it heavily, including up the sides.
2. In a food processor crush the Oreo cookies into fine crumbs. In a small bowl combine the crushed Oreos and melted butter. Once combined press into prepared pan.

Cheesecake

1. In the bowl of an electric mixer beat the cream cheese for two minutes.
2. Add the cocoa powder and granulated sugar and mix for another 2 minutes, make sure to scrape sides of the bowl so all is incorporated evenly.
3. Add in eggs, one at a time and then vanilla and sweetened condensed milk.
4. Pour on top of prepared crust and bake for 33-38 minutes or until center stops giggling. Set on wire rack and let cool for 30 minutes, then place in the fridge to chill for 2 hours or do 40 minutes in fridge and 30 in the freezer.

Whipped Cream Topping

1. Once chilled, whip heavy cream and powdered sugar together until stiff peaks form.
2. Drizzle 1/4 cup salted caramel on top of cheesecake layer, then place whipped cream and drizzle more salted caramel. Store in fridge.