01 -
Add the heavy cream, sugar, and half of the vanilla to the bowl of a stand mixer. Using the whisk attachment, whisk on medium-high speed until medium peaks form. Scoop out the whipped cream and set it aside. Place mascarpone in the same bowl and, using the paddle attachment, mix until smooth and soft. Gently fold in the whipped cream a little at a time, whisking slowly until smooth and fully incorporated. Set the bowl aside.
02 -
In a shallow bowl, combine coffee, Kahlua, and the remaining vanilla.
03 -
Using a small sifter or strainer, dust the bottom of an 8x8-inch baking dish, 9-inch round baker, or dessert cups with cocoa powder.
04 -
One at a time, dunk each ladyfinger into the coffee mixture, turning to coat both sides for about 3 seconds total. Ensure they are soaked but not soggy. Arrange them close together in a single layer in the dish, rounded side up.
05 -
Cover the layer of ladyfingers with half of the whipped cream mixture. Sprinkle liberally with cocoa powder.
06 -
Create another layer of soaked ladyfingers, followed by the remaining whipped cream mixture. Tap the dish lightly on the counter to level, and smooth the top as much as possible. Dust with more cocoa powder.
07 -
Using a vegetable peeler, shave the dark chocolate bar into curls and decorate the top of the tiramisu. Refrigerate for at least 3 hours or overnight.
08 -
Leftovers can be stored in the refrigerator for up to 3 days, covered.