Prepare espresso.
Mix mascarpone cheese and sugar.
Make whipped cream and fold it into the cheese mixture.
Soak savoiardi biscuits in espresso.
Layer the soaked biscuits.
Spread cheese cream on top of the biscuits.
Repeat layering biscuits and cream to create layers.
Dust cocoa powder over the top using a sieve.
Refrigerate for at least 2 hours to set.