Mix a little milk with the pudding powder until smooth, bring the rest of the milk to the boil and cook a thick pudding while stirring. Remove from the heat, stir in sugar and eggnog, stir frequently, let cool down.
Cut the fruit into small pieces and pour a little egg liqueur over it.
Stir the cooled pudding with the blender until the pudding has a nice, smooth consistency.
Divide half the amount into dessert glasses, distribute the fruit over them and pour the rest of the pudding cream over them, decorate the top with some fruit and add 1 tablespoon. Pour over the chocolate sauce or chocolate liqueur, refrigerate for 15 minutes.