CRUST

32 Oreo cookies, finely crushed or ground in a food processor
5½ tbsp unsalted butter, melted
Pinch of salt

FUDGE

8 ounces bittersweet chocolate, finely chopped
½ cup heavy cream
1 tsp vanilla extract
20 miniature peanut butter cup candies, unwrapped and roughly chopped

CHEESECAKE

24 ounces cream cheese, at room temperature
1 cup creamy peanut butter
1 cup granulated sugar
1 tsp vanilla extract
4 eggs

GANACHE TOPPING

4 ounces bittersweet chocolate, finely chopped
½ cup heavy cream