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Fish Parmentier (Hachis Parmentier de Poisson)

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Fish Parmentier is a comforting French casserole made with flaky white fish or salmon, creamy mashed potatoes, fresh herbs, and a hint of nutmeg. A meat-free twist on the classic hachis parmentier, it’s hearty, family-friendly, and easy to prepare ahead.

  • Total Time: 1 hour
  • Yield: 4 servings

Ingredients

800g potatoes, peeled and chopped

400g white fish or salmon (cod, pollock, pike, etc.)

2 vegetable bouillon cubes

100ml milk

50g butter, plus extra for topping

2 tablespoons crème fraîche

2 eggs

2 tablespoons fresh parsley, chopped

Salt and pepper, to taste

Pinch of ground nutmeg

Instructions

  1. Boil potatoes in salted water for about 30 minutes until soft. Drain and mash.
  2. Meanwhile, poach the fish in a pot with water and bouillon cubes for about 10 minutes. Remove bones and flake into small pieces.
  3. Chop parsley and mix with the flaked fish.
  4. In a small saucepan, heat butter and milk until melted. Mix into the mashed potatoes.
  5. Stir in crème fraîche, eggs, salt, pepper, and nutmeg into the mash until creamy.
  6. In a baking dish, layer half the mashed potatoes, then the fish-parsley mixture, then top with the remaining mash.
  7. Dot with butter and bake at 180°C (350°F) for 40 minutes until golden and bubbling.
  8. Let rest a few minutes before serving. Enjoy warm.

Notes

  • Use cod, haddock, or smoked fish for different flavor profiles.
  • Add cooked leeks, spinach, or peas to the fish layer.
  • Top with grated Gruyère or Parmesan for a cheesy crust.
  • Swap parsley with dill or chives for variation.
  • Use dairy-free milk, butter, and crème fraîche as needed.
  • Author: Monica
  • Prep Time: 20 minutes
  • Cook Time: 40 minutes
  • Category: Main Dish
  • Method: Baking
  • Cuisine: French
  • Diet: Gluten Free

Nutrition

  • Serving Size: 1 portion
  • Calories: 390
  • Sugar: 3g
  • Sodium: 520mg
  • Fat: 22g
  • Saturated Fat: 11g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 3g
  • Protein: 21g
  • Cholesterol: 130mg