
Grilled Halibut with Pea and Lemon Butter Sauce
Prep
15 mins
Cook
20 mins
Servings
4
Difficulty
Medium
This is one of my favorite weeknight dinners because it comes together in just 35 minutes and tastes like something from a fancy restaurant. Halibut is such a wonderful lean protein that's packed with omega 3 fatty acids, and when you grill it until it's perfectly flaky, it hardly needs anything fancy. The pea and lemon butter sauce is where the magic happens though bright, buttery, and so simple to make while the fish cooks. Fresh thyme and garlic give it real depth, and honestly, this whole meal feels elegant enough to impress guests but easy enough that you'll make it on a regular Tuesday night.
Ella x
Ingredients
- 4halibut fillets(6 oz each, skin removed)
- 473 mlfrozen peas
- 6 tablespoonsbutter(divided)
- 3 tablespoonsfresh lemon juice
- 1shallot(minced)
- 2 sprigsfresh thyme
- 2garlic cloves(minced)
- 2 tablespoonsolive oil
- 1 teaspoonkosher salt
- ½ teaspoonblack pepper
- 118 mlvegetable broth
- 1 teaspoonlemon zest
Detail level
Instructions
- 1
Pat halibut fillets dry with paper towels and season both sides with salt and pepper. Let sit at room temperature for 10 minutes.
Tip: Dry fish ensures better browning and crispier edges when grilling.
- 2
Heat olive oil in a grill pan or skillet over medium-high heat until shimmering. Working in batches if needed, grill halibut 4-5 minutes per side until opaque and cooked through. Transfer to a warm plate.
Tip: Don't move the fish around too much; let it develop a golden crust before flipping.
- 3
In a separate saucepan, melt 2 tablespoons butter over medium heat. Add minced shallot and cook for 2 minutes until softened.
- 4
Add minced garlic and fresh thyme to the shallots, stirring constantly for 30 seconds until fragrant.
- 5
Pour in the vegetable broth and bring to a gentle simmer. Add frozen peas and cook for 4-5 minutes until tender.
- 6
Transfer the pea mixture to a blender and blend until smooth. Strain through a fine-mesh sieve back into the saucepan for a silky texture.
Tip: Straining removes any pea skin for an ultra-smooth purée.
- 7
Stir in the remaining 4 tablespoons of cold butter, one piece at a time, whisking constantly off heat. Add fresh lemon juice and lemon zest, adjusting salt and pepper to taste.
Tip: Adding cold butter off heat creates a silky, emulsified sauce.
- 8
Plate warm pea purée as a base, top with grilled halibut, and drizzle lemon butter sauce around the plate. Garnish with additional lemon zest and fresh thyme if desired.
Tip: Serve immediately while the halibut is warm and the sauce is still creamy.
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