Chop the chocolate, carefully melt it over a warm water bath, let it cool down. Roughly chop the wafer rolls. Whip cream until stiff, fold into the chocolate in 3 portions. Fold in wafer rolls. Pour into a bowl and smooth down. Chill for at least 3 hours
Peel clementines so that the white skin is completely removed. Cut mandarins into thin slices with a sharp knife. Caramelise the sugar in a pan. Add the clementines and turn in the caramel. Pour the liqueur into a metal ladle. Light the alcohol and pour over the clementines. Simmer briefly, remove from heat and allow to cool
Arrange the clementines and some caramel on 4 plates. Use a large spoon or ice-cream scoop to make 4 large mousse dumplings. Spread on the clementines. Sprinkle with the remaining caramel syrup and serve immediately. Use the rest of the mousse for other purposes
waiting time approx. 3 hours