Separate the egg yolks from the egg whites
Mix the egg yolks with sugar until pale and creamy
Add mascarpone and mix until smooth
Whip the egg whites until stiff, then gently fold them into the cream
Quickly dip the ladyfingers into the coffee without soaking them
Make one layer of ladyfingers, then one layer of cream
Repeat the layers
Dust with cocoa powder
Chill for at least 3 to 4 hours
