Beat the cold Mascarpone cheese, powdered sugar, and salt on low speed with the paddle attachment until smooth and creamy. 8 ounce Mascarpone cheese, 1 cup Powdered sugar, ¼ teaspoon Salt,
Add the cold whipping cream, vanilla extract, and yolk, turn the speed to medium-high, and beat the mixture until it thickens and becomes stable. The egg yolk bonds the cream ingredients and makes it more stable. ¾ cups Heavy cream, 1 Yolk, 1 tablespoon Vanilla extract,
Add the dark rum and gently mix. The mascarpone cream should become pipeable and not too soft and runny. 2 tablespoon Dark rum
Soaking
Mix the strong coffee, vanilla extract, and rum in a shallow bowl. 1 cup Brewed coffee, 1 teaspoon Vanilla extract, ⅓ cup Dark Rum
1 cup Brewed coffee, ⅓ cup Dark Rum
Assembly
Lightly soak the lady fingers into the soaking coffee and arrange them at the bottom of the casserole dish. Break the cookies as needed to fit them into the dish. 30 Ladyfingers
30 Ladyfingers
Dump half of the filling over the ladyfingers and use an offset spatula to smooth it out. Place the second layer of ladyfingers over the filling and cover them with the remaining filling. Smooth out the top and chill it for at least 6 hours.
For extra creamy goodness, pipe some cream filling on top.
Right before serving, garnish the top with cocoa powder and chocolate bits. ¼ cup Cocoa powder¼ cup Chocolate bits