Prepare the rocking peter according to the instructions on the package and let it cool in a flat shape.
Prepare the chocolate pudding with the milk and sugar according to the instructions, fill into four semicircular portion bowls and allow to cool.
Pour one chocolate pudding into a small glass bowl at a time. Cut the hardened rocking peter into cubes and spread around the pudding. Put a chocolate bunny on each pudding. Spread the vanilla sauce or egg liqueur around it.