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Poisson Au Champagne

Poisson Au Champagne recipe image
This classic French-inspired dish features delicate fish fillets poached in dry champagne, infusing the meat with bright, citrusy notes. Topped with caramelized onions and fresh thyme, the fish is finished with a luxurious, velvety sauce made from reduced cooking juices, butter, and egg yolks. The result is a tender, flavorful entre that feels special yet remains approachable for home cooks. Perfect for a romantic dinner or a celebratory weekend meal, Poisson au Champagne balances acidity and richness beautifully. Serve with steamed vegetables or crusty bread to soak up the sauce.
Cooking Method: ,
Cuisine:
Courses:
Difficulty: Advanced
Servings: 6
Calories: 749.9
Dietary: None
Description
This classic French-inspired dish features delicate fish fillets poached in dry champagne, infusing the meat with bright, citrusy notes. Topped with caramelized onions and fresh thyme, the fish is finished with a luxurious, velvety sauce made from reduced cooking juices, butter, and egg yolks. The result is a tender, flavorful entre that feels special yet remains approachable for home cooks. Perfect for a romantic dinner or a celebratory weekend meal, Poisson au Champagne balances acidity and richness beautifully. Serve with steamed vegetables or crusty bread to soak up the sauce.
Ingredients
  • 6 ea White fish fillets (approx. 8 oz each), such as cod, halibut, or snapper
  • 1 ea Onion, large, thinly sliced
  • 1 ea Lemon, large, thinly sliced
  • 1/8 teaspoon Dried thyme
  • 1/2 ea Bay leaf
  • 4 tablespoon Butter, softened (for baking dish)
  • 2 teaspoon All-purpose flour
  • 2 teaspoon Cold butter (cut into small pieces)
  • 2 cup Champagne, extra dry or brut
  • 4 ea Egg yolks
  • 1 Salt & freshly ground black pepper, to taste
Directions
  1. 1
    Preheat oven to 400F (200C).
  2. 2
    In a small bowl, mix the 2 teaspoons of flour with the 2 teaspoons of cold butter until a smooth paste forms; set aside for thickening the sauce later.
  3. 3
    Generously butter a baking dish large enough to hold the fish fillets in a single layer.
  4. 4
    Place the fish fillets in the prepared baking dish. Top with the thinly sliced onions and lemon slices.
  5. 5
    Season the fish with salt, pepper, thyme, and the bay leaf.
  6. 6
    Pour 1.5 cups of the champagne over the fish.
  7. 7
    Bake in the preheated oven for 10-15 minutes, or until the fish is opaque, milky white, and flakes easily with a fork. Do not allow the fish to brown.
  8. 8
    Remove the fish from the oven and transfer it to a warm plate. Keep the fish covered to stay warm.
  9. 9
    Discard the onion and lemon slices from the baking dish. Carefully pour the remaining liquid (champagne and fish juices) into a small saucepan.
  10. 10
    Bring the liquid to a simmer over medium heat and reduce slightly to concentrate the flavors.
  11. 11
    Whisk in the reserved flour-butter paste into the hot liquid in the saucepan to thicken.
  12. 12
    Add the remaining 0.5 cup of champagne to the saucepan and bring to a gentle simmer.
  13. 13
    Remove the saucepan from heat. Whisk in the 4 egg yolks one at a time, ensuring the sauce does not curdle.
  14. 14
    If the sauce is too thin, place the saucepan over a double boiler (or very low heat) and whisk constantly until it thickens slightly. Do not boil, or the eggs will scramble.
  15. 15
    Spoon the warm champagne sauce over the fish fillets and serve immediately.

Nutrition Facts

Servings 6

Amount Per Serving
Calories 749.9kcal
% Daily Value *
Total Fat 47.0g73%
Saturated Fat 18.1g91%
Cholesterol 1175.2mg392%
Sodium 1745.4mg73%
Total Carbohydrate 36.8g13%
Dietary Fiber 10.7g43%
Sugars 7.3g
Protein 51.4g103%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.

Note

Choose a firm white fish like cod, halibut, or sea bass for best results. Delicate fish may break apart if handled too much.

If champagne is unavailable or too expensive, you can substitute with a dry white wine or even a high-quality chicken broth mixed with a splash of white wine vinegar, though the flavor profile will differ.

Be careful when adding egg yolks to the hot sauce. If the sauce becomes too hot, it may curdle. Using a double boiler helps maintain a gentle temperature.

For a richer sauce, you can add a tablespoon of heavy cream along with the egg yolks.

Serve immediately as the egg-based sauce does not hold well if reheated.

Keywords: fish, champagne, french, dinner, egg yolk, sauce, baked, onion, lemon, thyme, bay leaf, seafood, romantic, easy, classic, brut, fillets, comfort food, entree, quick
Read it online: https://www.chefs-mate.com/recipe/poisson-au-champagne/