Tiramisu - With Balocco Savoiardi (Ladyfingers)

36 Balocco Ladyfingers
450 grams Mascarpone Cheese
5 egg yolks
1 whipped egg white
150 grams sugar
12 coffee-cups of Instant Espresso Coffee (approx.)
1 small glass of liquor of your choice
powdered plain cocoa

Beat the egg yolks together with sugar in a bowl until you obtain a frothy mixture; stir in the cheese and mix carefully. Add the whipped egg white and then the liquor. Mix well into a smooth cream. In a baking dish, spread a layer of cream, soak the ladyfingers in coffee, turning them on both sides, and then line them on top of the cream. Pour a second layer of cream onto the ladyfingers and then arrange more ladyfingers soaked in coffee. Top with another layer of cream, spreading it evenly with a spatule. Using a sieve, sprinkle the powdered cocoa generously over the cream. Put into the refrigerator for at least two hours. The "Tiramisu" is at it's best of your prepare it one day in advance.