Haddock In Mustard Sauce Recipe

Indulge in this exquisite Haddock in Creamy Mustard Sauce recipe, adapted from the renowned German cookbook by Jean Anderson and Hedy Wurz. This elegant dish features flaky haddock poached in a delicate fish stock (homemade or store-bought), then bathed in a rich and tangy mustard sauce. Perfect for a sophisticated weeknight dinner or a special occasion, this recipe is surprisingly easy to make and offers a delightful flavor combination. Optional: Substitute dill for parsley for a fresh twist!

Prep Time 15 mins
Cook Time 30 mins
Calories 401.4 kcal
Protein 97g
Rating 5.0 (2 Reviews)
Haddock In Mustard Sauce

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Recipe Author

Chef Forktionary, author of this recipe

Passionate home cook & Forktionary contributor.

Ingredients for Haddock In Mustard Sauce

  • Fish Stock
  • 1/2 cup milk
  • Haddock Fillets
  • 1/2 teaspoon salt
  • Black Pepper
  • Heavy Cream
  • Dijon Mustard
  • 1 teaspoon sugar
  • 2 tablespoons sour cream
  • Unsalted Butter
  • Flat Leaf Parsley

How to Make Haddock In Mustard Sauce

  1. In a large skillet, combine 2 cups fish stock and 1/2 cup milk. The skillet should be large enough to hold the haddock in a single layer.
  2. Bring the mixture to a gentle simmer over medium heat.
  3. Add 1 pound haddock fillets, 1/2 teaspoon salt, and 1/4 teaspoon black pepper.
  4. Cook uncovered for 5-7 minutes, or until the fish flakes easily with a fork.
  5. Carefully transfer the cooked haddock to a heated platter, cover, and keep warm.
  6. Bring the poaching liquid to a boil, then reduce it until 1 cup remains.
  7. Reduce heat to medium, stir in 1/4 cup heavy cream, and cook for 2 minutes.
  8. Whisk in 2 tablespoons Dijon mustard, 1 teaspoon sugar, and 2 tablespoons sour cream. Bring to a simmer.
  9. Whisk in 2 tablespoons butter, a little at a time, until the sauce is smooth and thickened.
  10. Add any juices accumulated on the platter. Strain the sauce through a fine-mesh sieve and pour it over the haddock.
  11. Garnish with 2 tablespoons chopped fresh parsley (or dill) and serve immediately.

Chef's Tip for Extra Flavor

Elevate your dish with simple flavor boosters! A final flourish of freshly chopped herbs can add incredible brightness, while a squeeze of lemon or lime juice right before serving can awaken all the flavors. Don't underestimate a sprinkle of quality finishing salt or a drizzle of good olive oil to make your creation shine.

Nutrition Information (Approximate per serving)

Sodium

25 g

Sugar

1g

Fat

57g

Carbs

1g