Tarragon-Roasted Halibut with Hazelnut Brown Butter

A sophisticated dish featuring tender halibut roasted with fresh tarragon and topped with a rich hazelnut brown butter sauce. The combination of toasted hazelnuts, bright lemon, and aromatic tarragon perfectly complements the delicate fish.

6 servings
47 min

Ingredients

  • ½ cup blanched hazelnuts
  • 1 bunch fresh tarragon
  • pounds skinless halibut fillet
  • 4 tablespoons olive oil
  • 1 to taste kosher salt and pepper
  • ½ cup unsalted butter
  • ¼ cup fresh lemon juice
  • 2 whole lemons

Cooking Instructions

  1. 1.

    Preheat oven to 350°F. Spread hazelnuts in a single layer on a rimmed baking sheet and toast, stirring occasionally, until golden, 8-10 minutes. Coarsely chop; set aside.

    10 min

  2. 2.

    Reduce oven temperature to 300°F. Scatter tarragon sprigs on a large rimmed baking sheet. Place halibut on top, drizzle with 2 tablespoons oil, and season with salt and pepper. Roast until halibut is just opaque in the center, 20-30 minutes, depending on thickness of fish.

    30 min

  3. 3.

    Meanwhile, melt butter in a small saucepan over medium-high heat. Cook, stirring often, until butter foams, then browns (don't let it burn), about 5 minutes. Remove from heat; let brown butter cool slightly. Stir in lemon juice, hazelnuts, and remaining 2 tablespoons oil; season with salt and pepper.

    5 min

  4. 4.

    Serve fish with hazelnut brown butter sauce and lemon halves.

    2 min

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