Grilled Tilapia with Leek and Lemon Butter Sauce
Prep
20 mins
Cook
25 mins
Servings
4
Difficulty
Easy
This is one of my favorite weeknight dinners because it comes together in under an hour and tastes like you've spent all day cooking. Tilapia is such a mild, delicate fish that it pairs beautifully with a silky lemon butter sauce and tender leeks. What I love most is that tilapia is incredibly affordable and packed with lean protein, making it perfect for healthy eating on a budget. The whole dish feels restaurant quality but requires minimal effort, which means you can have an elegant meal on the table without any stress.
Ella x
Ingredients
- 4tilapia fillets(6 oz each, patted dry)
- 3leeks(white and light green parts only, sliced into thin rings)
- 4 tablespoonsunsalted butter(divided)
- 3 tablespoonsfresh lemon juice
- 237 mlwhite wine
- 2garlic cloves(minced)
- 4fresh thyme sprigs
- 1 teaspoonsea salt
- 1 teaspoonblack pepper(freshly ground)
- 2 tablespoonsolive oil
- 1 teaspoonlemon zest
- 2 tablespoonsfresh parsley(chopped for garnish)
Detail level
Instructions
- 1
Preheat your grill to medium-high heat (around 400°F). Oil the grill grates to prevent sticking.
Tip: If using a gas grill, let it heat for at least 10 minutes. For charcoal, wait until coals are evenly white.
- 2
Season the tilapia fillets on both sides with salt and pepper. Lightly brush with olive oil.
Tip: Pat the fillets completely dry with paper towels before seasoning to ensure better browning.
- 3
In a large skillet over medium heat, melt 2 tablespoons of butter. Add the sliced leeks and cook for 8-10 minutes, stirring occasionally, until softened and lightly golden.
Tip: Don't rush this step—the leeks release their natural sweetness when cooked slowly.
- 4
Add the minced garlic to the leeks and cook for 1 minute until fragrant. Pour in the white wine and lemon juice, scraping up any browned bits from the pan.
Tip: The wine adds acidity and depth; if you prefer, use chicken broth as a substitute.
- 5
Place the tilapia fillets on the preheated grill, skin-side down if available. Grill for 4-5 minutes without moving them, then carefully flip and cook for another 4-5 minutes until the flesh is opaque and flakes easily with a fork.
Tip: Tilapia is delicate—avoid flipping multiple times to prevent it from falling apart.
- 6
Remove the skillet with leeks from heat and stir in the remaining 2 tablespoons of butter, lemon zest, and fresh thyme. Taste and adjust seasoning as needed.
Tip: The residual heat will melt the butter into a silky sauce without breaking it.
- 7
Transfer the grilled tilapia to serving plates. Spoon the leek and lemon butter sauce generously over each fillet.
Tip: Serve immediately while the fish is hot and the sauce is warm.
- 8
Garnish with fresh chopped parsley and additional lemon zest for brightness and visual appeal.
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