Roasted Tilapia with Watercress
Prep
15 mins
Cook
25 mins
Servings
4
Difficulty
Easy
This elegant roasted tilapia with watercress is one of my favorite weeknight dinners because it comes together in just 40 minutes from start to table. The beauty of this dish lies in its simplicity: tender, flaky fish paired with peppery watercress that's packed with vitamins and antioxidants to keep you feeling great. I love how the white wine and lemon create a light, bright sauce that ties everything together without weighing you down. Best of all, tilapia is budget friendly and readily available, making this restaurant quality meal completely achievable on any night of the week.
Ella x
Ingredients
- 4tilapia fillets(about 6 oz each)
- 946 mlfresh watercress(roughly chopped)
- 4 tablespoonsextra virgin olive oil
- 2lemon(1 juiced, 1 sliced into rounds)
- 4garlic cloves(minced)
- 1shallot(thinly sliced)
- 1 teaspoonsea salt
- ½ teaspoonblack pepper
- 118 mlwhite wine
- 2 tablespoonsbutter
- 3 sprigsfresh thyme
- 237 mlcherry tomatoes(halved)
Detail level
Instructions
- 1
Preheat your oven to 400°F. Pat the tilapia fillets dry with paper towels and arrange them on a large baking sheet lined with parchment paper.
Tip: Drying the fish prevents sticking and helps achieve better browning.
- 2
In a small bowl, combine the minced garlic, 2 tablespoons of olive oil, lemon juice, salt, and black pepper. Brush this mixture evenly over both sides of each fillet.
Tip: Reserve some of the herb oil for drizzling on the watercress later.
- 3
Scatter the lemon slices and fresh thyme sprigs around the fish on the baking sheet. Drizzle with white wine to add moisture and flavor.
Tip: The wine will steam the fish gently from below while the oven heat cooks it from above.
- 4
Roast the tilapia in the preheated oven for 15-18 minutes, until the flesh is opaque and flakes easily with a fork.
Tip: Avoid overcooking delicate tilapia; it cooks quickly and can become dry if left too long.
- 5
While the fish roasts, heat the remaining 2 tablespoons of olive oil in a large skillet over medium heat. Add the sliced shallot and sauté for 2 minutes until softened.
Tip: Keep the skillet handy so the watercress stays warm when combined with the hot shallots.
- 6
Add the fresh watercress and cherry tomatoes to the skillet, stirring gently for 1-2 minutes until the watercress is slightly wilted but still vibrant.
Tip: Watercress wilts quickly, so watch it carefully to maintain its peppery crunch.
- 7
Remove from heat and stir in the butter until melted and combined. Taste and adjust seasoning with salt and pepper as needed.
Tip: The butter adds richness and helps bind the watercress together.
- 8
Divide the watercress mixture evenly among four serving plates. Top each portion with a roasted tilapia fillet, including some of the pan juices and lemon slices from the baking sheet.
Tip: The pan juices contain wonderful concentrated flavors that complement both the fish and greens.
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