Demoiselles de Cherbourg French term referring to small lobsters from the town of Cherbourg in Normandy which are cooked in a court-bouillon and served in cooking juices. The term also refers to Dublin Bay prawns or Norway lobsters Likewise, Demoiselles de Cherbourg is the restaurant name for Breton lobsters that weigh 300 to 400 grams or 10 to 13 ounces. Demoiselle de Cherbourg is also known as Demoiselle , Langoustine or Demoiselle de Caen.