Wikipedia
Moules-frites
Moules-frites or Moules et frites is a popular main dish of mussels and fries originating in Belgium. It is also popular in France and in the rest of Northern Europe. The title of the dish is French, Moules meaning mussels and frites fries, with the Dutch name for the dish meaning the same. It is sometimes considered the national dish of Belgium.
The portion of moules in Belgian restaurants tends to be one and a half kilograms per person, which can be prepared in several different ways.