Mustard Fish: A Tasty and Spicy Delight 🐟✨

Preparation :
Preparation of ingredients: Preheat the oven to 180°C. In a bowl, mix the mustard with the crème fraîche and a little salt and pepper.
Cooking the onion: In a pan, melt the butter and add the onion. Fry it until it is translucent.
Assembling the dish: Place the fish fillets in an ovenproof dish, cover them with the cream and mustard mixture, then add the onions on top.
Cooking: Bake the dish for 20 to 25 minutes, until the fish is cooked through and the sauce is lightly browned.
Serving: Sprinkle with chopped fresh parsley before serving. Accompany this dish with rice or steamed vegetables for a complete meal.