1. ) Combine the yolks with the sugar and mix till fluffy. 2. ) Gently incorporate the mascapone cheese then fold in the egg whites previously whipped with a pinch of salt. 3. ) Moisten the cookies with a mixture of espresso and Frangelico. 4. ) Prepare the dessert in a tray by forming layers. 5. ) Top with grated chocolate or cocoa powder. 6. ) Keep in the refrigerator for at least 1 hour. Serve cold.