But not everyone will be able to try - there are raw eggs, just like most mousse desserts, so afraid of Salmonella is not to try. :( Separate the whites from the yolks. Proteins beat until resistant foam with a pinch of salt and slowly add the powder. Finely chop chocolate and mix with the liqueur. Melt the chocolate in a water bath or in the micro on low power. Add in the chocolate, zest, sift the cocoa powder and mix well. Whisking continuously mass, enter one yolks. Enter the chocolate parts of the proteins and all carefully mix, beat with a mixer. Spread the mousse on kremanku and put in a couple of hours in the fridge. Before serving, sprinkle with grated chocolate.