This stew reflects the maritime setting of Saint-Malo, where Marie-Laure finds refuge, and highlights the region's culinary traditions.
In a pot, sauté onion and garlic until translucent.
Add tomatoes and cook until softened.
Pour in wine and stock, bring to a boil.
Add mussels and cod, cover and simmer for 10 minutes.
Season with salt and pepper, garnish with parsley.