Roasted Lobster with Watercress
Prep
20 mins
Cook
18 mins
Servings
4
Difficulty
Medium
This elegant dish comes together in under 40 minutes, making it perfect for impressing guests without spending all day in the kitchen. Sweet, tender lobster tail pairs beautifully with peppery watercress, which is packed with vitamins and antioxidants to keep you feeling great. A simple butter and lemon sauce ties everything together, and honestly, the whole recipe is straightforward enough that even if you're not a seafood expert, you'll feel like a restaurant chef. It's fancy but approachable, and that's exactly why I keep coming back to it.
Ella x
Ingredients
- 4lobster tails(6 oz each, thawed if frozen)
- 6 tablespoonsunsalted butter(divided)
- 3 tablespoonsfresh lemon juice
- 1420 mlfresh watercress(loosely packed, thick stems removed)
- 1 teaspoonsea salt
- ½ teaspoonfreshly cracked black pepper
- 2garlic cloves(minced)
- 3 tablespoonsextra virgin olive oil
- 1shallots(finely minced)
- 59 mlwhite wine
- ½ teaspoondijon mustard
- 1 teaspoonlemon zest
Detail level
Instructions
- 1
Preheat your oven to 425°F. Pat the lobster tails dry with paper towels and brush the meat side generously with 2 tablespoons of melted butter. Season with half the salt and pepper.
Tip: Drying the lobster prevents it from steaming rather than roasting.
- 2
Arrange lobster tails meat-side up on a baking sheet lined with parchment paper. Roast for 12-15 minutes until the meat is opaque and slightly firm to the touch.
Tip: Don't overcook—lobster becomes tough and rubbery when cooked too long.
- 3
While lobster roasts, prepare the beurre blanc. In a small saucepan over medium heat, combine minced shallots, white wine, and 1 tablespoon of lemon juice. Reduce until about 2 tablespoons of liquid remain, approximately 4 minutes.
Tip: This reduction concentrates the flavors and prevents the sauce from being too acidic.
- 4
Reduce heat to low and whisk in the remaining 4 tablespoons of cold butter one piece at a time, whisking constantly until each addition is incorporated. The sauce should be silky and pale yellow.
Tip: Keep the heat low to prevent the butter from separating—this is the key to a glossy beurre blanc.
- 5
Stir in the Dijon mustard, remaining lemon juice, lemon zest, minced garlic, and remaining salt and pepper. Taste and adjust seasonings as needed.
Tip: The mustard adds subtle depth and helps emulsify the sauce for a creamier texture.
- 6
In a large bowl, toss the fresh watercress with olive oil, a pinch of salt, and pepper. Divide among four serving plates.
Tip: Handle the delicate greens gently to avoid bruising the leaves.
- 7
When lobster is cooked, remove from oven and let rest for 2 minutes. Place one lobster tail on top of each watercress bed.
Tip: The brief rest allows carryover cooking to complete while keeping the meat moist.
- 8
Drizzle the warm beurre blanc around the lobster and watercress. Serve immediately while the lobster is still warm and the sauce is at its silkiest.
Tip: If the sauce cools and thickens, gently reheat over very low heat while whisking.
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