Put the egg yolks, salt and sugar in an ovenproof bowl and stir in the liqueur. Whisk over a hot water bath with a whisk until thick and frothy. Place the bowl on a cold water bath, stir from time to time, allow to cool. Finely chop the chocolate. Whip the cream until stiff, allow the cream setting agent to trickle in.
Carefully fold cream and chocolate into the egg yolk cream. Fill the cream into small bowls, chill for 1-2 hours. Decorate with chocolate bars and mint just before serving. Dust with icing sugar
waiting time approx. 1 1/2 hours