Whip the Cream:
In a large bowl, whip heavy cream with powdered sugar and cocoa powder until stiff peaks form.Prepare the Chocolate Filling:
In a separate bowl, beat cream cheese (or mascarpone) with chocolate chips and vanilla until smooth. Gently fold in the whipped cream until fully combined.Layer the Cake:
In a loaf pan or cake dish, start with a layer of chocolate wafer cookies. Spread a layer of chocolate cream mixture on top, then sprinkle with toffee bits. Repeat layers, finishing with a top layer of cream and a generous topping of toffee and chocolate chips.Chill:
Cover and refrigerate for at least 4 hours—or overnight—to allow the cookies to soften and the flavors to meld.Serve:
Slice chilled into portions and enjoy creamy, chocolatey, and perfectly crunchy bites.
