Separate the yolks from the whites. Mix the yolks with sugar in a bowl with a mixer.
Add mascarpone cheese and mix again with a mixer.
Now beat the egg whites to get a thick foam and add in the mixture. Mix everything with a spoon.
Cut each cookie into 2 halves.
Add sugar to coffee and soak cookies.
Place the cookies in the bottom of the glass, then fill the pastry bag with the cream. Make the next layer of cream and then cookies again. Fill the glass to the top
Sprinkle cocoa on top and put in the fridge for 2 hours.