Pan-Seared Salmon with Champagne Beurre Blanc
15min
25min
4
520
Chef's Note
Beurre blanc is a classic water-in-oil emulsion where butter fat becomes the continuous phase. The key is temperature control—too hot and you'll break the emulsion into separated butter and liquid; too cool and the butter won't emulsify. Keep the pan moving on and off gentle heat, and use cold butter straight from the fridge. The cream adds extra emulsifiers (milk proteins) that make this sauce more forgiving than traditional beurre blanc. If it does break, add a tablespoon of cold cream and whisk vigorously off heat to bring it back together.
Tags
Ingredients
4 pieces salmon fillets (6 oz each, skin-on)
1 tsp kosher salt
1/2 tsp black pepper
2 tbsp olive oil
1 large shallot, finely minced
1/4 cup champagne vinegar
1/4 cup dry white wine
2 tbsp heavy cream
8 tbsp unsalted butter, cold and cubed
1 tbsp fresh tarragon, chopped
1 tsp lemon juice
1 lb asparagus, trimmed
2 tbsp fresh chives, chopped
Instructions
- 1
Remove salmon from refrigerator 15 minutes before cooking. Pat dry with paper towels and season both sides with salt and pepper.
- 2
Trim asparagus and set aside. Cube cold butter and keep refrigerated until needed—this is crucial for emulsion stability.
- 3
In a small saucepan, combine minced shallot, champagne vinegar, and white wine. Bring to a simmer over medium heat and reduce until only 2 tablespoons of liquid remain, about 8-10 minutes. This concentrates the flavors.
- 4
While reduction simmers, heat olive oil in a large skillet over medium-high heat. When shimmering, add salmon skin-side down. Press gently with a spatula for 10 seconds to prevent curling. Cook undisturbed for 5-6 minutes until skin is crispy.
- 5
Flip salmon and cook for 3-4 minutes more for medium (internal temp 125°F). Remove to a plate and tent with foil.
- 6
In the same skillet, add asparagus with a splash of water. Sauté for 4-5 minutes until tender-crisp. Season with salt and set aside.
- 7
Return to the reduction. Lower heat to low and add heavy cream—this provides additional emulsifiers and stabilizes the sauce. Stir to combine.
- 8
Remove pan from heat. Add one cube of cold butter and whisk constantly until almost melted. Return to very low heat briefly, then remove again. Continue adding butter one cube at a time, whisking constantly and alternating on and off heat. The sauce should thicken and become glossy—this is a water-in-oil emulsion forming.
- 9
Once all butter is incorporated, strain sauce through a fine-mesh sieve to remove shallots. Whisk in tarragon and lemon juice. Taste and adjust seasoning. Keep warm (not hot) until serving—temperatures above 140°F will break the emulsion.
- 10
Plate asparagus, top with salmon (skin-side up for textural contrast), and spoon beurre blanc generously over the fish. Garnish with fresh chives and serve immediately.
Nutrition Information (per serving)
520
38g
8g
38g
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