RecipesFinlandFinnish Fried Herring with Mustard Sauce

Finnish Fried Herring with Mustard Sauce

A classic Finnish dish featuring pan-fried herring, known for its crispy exterior and tender, flavorful flesh. Served with a tangy and creamy mustard sauce, it's a simple yet delicious taste of the Finnish coast.

Prep Time15 minutes
Cook Time10 minutes
Total Time25 minutes
Servings4
DifficultyEasy
Finnish Fried Herring with Mustard Sauce - Finland traditional dish

🧂 Ingredients

  • 8 medium Whole herring(cleaned, heads and tails removed)
  • 100 g Rye flour(for dredging)
  • 1 tsp Salt(plus more for sauce)
  • 0.5 tsp Black pepper(plus more for sauce)
  • 50 g Butter(for frying)
  • 2 tbsp Vegetable oil(for frying)
  • 200 ml Heavy cream
  • 2 tbsp Dijon mustard
  • 1 tbsp White wine vinegar
  • 2 tbsp Fresh dill(chopped, for sauce and garnish)

👨‍🍳 Instructions

  1. 1

    Pat the cleaned herring dry with paper towels. In a shallow dish, mix the rye flour with 1 tsp salt and 0.5 tsp black pepper.

    💡 Tip: Drying the fish is crucial for a crispy coating.
  2. 2

    Dredge each herring in the seasoned rye flour, shaking off any excess. Ensure the fish is evenly coated.

    💡 Tip: Don't overcrowd the pan; fry in batches if necessary.
  3. 3

    In a large skillet, melt the butter with the vegetable oil over medium-high heat. Once the butter is foamy, carefully place the floured herring in the skillet.

  4. 4

    Fry the herring for about 4-5 minutes per side, until golden brown and cooked through. Remove from skillet and set aside on a plate lined with paper towels.

    💡 Tip: The fish is cooked when the flesh flakes easily with a fork.
  5. 5

    While the fish is frying or resting, prepare the mustard sauce. In a small saucepan, gently heat the heavy cream over medium-low heat. Do not boil.

    💡 Tip: Warm the cream slowly to prevent scorching.
  6. 6

    Whisk in the Dijon mustard, white wine vinegar, and chopped dill. Season with a pinch of salt and pepper to taste.

    💡 Tip: Adjust mustard and vinegar to your preferred tanginess.
  7. 7

    Serve the hot fried herring immediately, drizzled with the warm mustard sauce and garnished with fresh dill. Traditionally served with boiled new potatoes.

    💡 Tip: This dish is best enjoyed fresh.

💡 Pro Tips

  • If fresh herring is unavailable, frozen herring can be used, but ensure it is fully thawed and patted dry.
  • For a less traditional but equally delicious sauce, a touch of sour cream can be used instead of or in addition to heavy cream.
  • Rye flour gives a distinct Finnish flavor and crispiness; all-purpose flour can be substituted if necessary.

🔄 Variations

  • Add a finely chopped shallot to the mustard sauce for an extra layer of flavor.
  • Serve with a side of pickled cucumbers or beetroot salad.
  • A squeeze of fresh lemon juice over the fried herring before serving can brighten the flavors.

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