This Black Forest cake recipe with mascarpone from Bon Appétit is a luxurious version of the classic dessert that is perfect for special occasions. The cake layers are made with cocoa powder and buttermilk, and the filling is a combination of whipped cream and mascarpone cheese. The cake is then topped with more whipped cream, chocolate shavings, and cherries. This recipe is perfect for those who want to indulge in a rich and decadent dessert.