Chocolate Coffee Tiramisu

INGREDIENTS:
Mascarpone Cream: 16 oz mascarpone cheese
Mascarpone Cream: 5 large egg yolks
Mascarpone Cream: 5 tablespoons of white granulated sugar
Black coffee (at room temperature)
Dark chocolate (enough to cover the Tiramisu layers)
Lady Fingers cookies (enough to cover the Tiramisu layers)
Cocoa powder (enough to cover the Tiramisu layers)
Whipped cream: heavy cream + sugar (to taste)