
Roasted Swordfish with Radish and Brown Butter Emulsion
Prep
20 mins
Cook
25 mins
Servings
4
Difficulty
Medium
Ingredients
- 4swordfish steaks(6 oz each, about 1.25 inches thick)
- ½ kgfresh radishes(thinly sliced on a mandoline)
- 6 tablespoonsunsalted butter
- 1shallot(minced)
- 3 tablespoonsfresh lemon juice
- 236.59 mldry white wine
- 2 tablespoonsfresh dill(finely chopped)
- 1 teaspoonsea salt
- 1 teaspoonblack pepper
- 2 tablespoonsextra virgin olive oil
- 2 tablespoonscapers(drained)
- 236.59 mlradish sprouts or microgreens(for garnish)
Instructions
- 1
Pat the swordfish steaks dry with paper towels and season generously on both sides with salt and pepper. Let them sit at room temperature for 10 minutes.
Tip: Drying the fish ensures better browning and a crispy exterior.
- 2
Heat olive oil in a large skillet over medium-high heat. Once shimmering, carefully place the swordfish steaks in the pan and sear for 4-5 minutes on the first side without moving them.
Tip: Resist the urge to flip early; a good crust indicates proper searing.
- 3
Flip the steaks and cook for another 3-4 minutes until cooked through and the internal temperature reaches 145°F. Transfer to a warm plate and tent loosely with foil.
Tip: Swordfish is firm and can handle high heat better than most fish.
- 4
In the same skillet, reduce heat to medium and add 2 tablespoons of butter. Add minced shallots and sauté for 1-2 minutes until softened and fragrant.
Tip: Don't let the shallots brown; they should remain translucent.
- 5
Deglaze the pan with white wine, scraping up any browned bits from the bottom. Simmer for 2 minutes to reduce the wine by half.
Tip: These browned bits add incredible depth to your sauce.
- 6
Remove the skillet from heat and whisk in the remaining 4 tablespoons of cold butter, one piece at a time, until fully incorporated and the sauce becomes creamy and emulsified.
Tip: Keep the heat off to prevent the butter from breaking; work quickly but gently.
- 7
Stir in lemon juice, capers, and fresh dill into the brown butter sauce. Taste and adjust seasoning with salt and pepper as needed.
Tip: The capers add a briny pop that complements the delicate fish beautifully.
- 8
Arrange the sliced radishes on serving plates, place a swordfish steak on top, and spoon the brown butter emulsion around the fish. Garnish with radish sprouts and additional fresh dill.
Tip: The raw radishes provide a peppery crunch that contrasts nicely with the tender swordfish.
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