Calmar en Matelote is a French dish made of small squid including the sliced tentacles which is sauteed with onions, garlic, tomatoes and mushrooms, herbs and spices for flavoring and then simmered with white wine. Matelote is the French culinary term for a stew made usually of fish in a seasoned wine sauce, but in Calmar en Matelote, squid is used instead of fish.