Years ago I bought some mussels in Montmartre, cooked a soup in our apartment and proceeded to become deathly ill. (REALLY MESSY, missed my scheduled visit to Le Louvre one day)
So it was with some trepidation that we ordered a platter of oysters to go with our Onion Soup on Christmas morning.
Au Pied de Cochon after the sunrise service at Notre-Dame de Paris
We came out with a clean bill of health and started a Christmas Tradition
Although the Soupe à l’oignon is a meal in itself
Oysters in Paris (Paris by Mouth)
What The French Eat For Christmas And New Year: Gastronomy In Paris (Forbes)