Separate the eggs and whisk the yolks with sugar until frothy.
Add mascarpone cheese and mix well.
Whip the egg whites with sugar until stiff peaks form.
Gently fold the whipped egg whites into the yolk mixture.
Prepare the espresso with a little sugar.
Quickly dip ladyfingers into the espresso.
In a container, layer soaked ladyfingers and cream alternately.
Add the final layer of cream and sprinkle cocoa powder on top.
Let it rest in the refrigerator for 2-4 hours or more.