Dark Belgian Chocolate filled with milk and white chocolate curls, milky hot chocolate and mini marshmallows.  Drop into a mug and top up with hot milk and watch the marshmallows float to the top.  Delicious and very slightly magical!
 
NB:  Don't worry about the chocolate being dark - by the time the milk is added, and the white chocolate and milky hot chocolate powder, it isn't too rich, even for little kids