Quick Recipe Version (TL;DR)
Quick Ingredients
- 2 whole sea bass (400–500 g each), cleaned
- 3 tbsp extra-virgin olive oil, plus more for drizzling
- 1 ½ tsp fine sea salt, divided
- ½ tsp freshly ground black pepper
- 1 tsp dried oregano or thyme
- 2 lemons (1 sliced, 1 for wedges and juice)
- 3 medium tomatoes, sliced
- 1 medium red onion, thinly sliced
- 3 garlic cloves, thinly sliced
- 1 small bunch fresh parsley, chopped (about ½ cup packed)
- (Optional) 2 medium potatoes, thinly sliced
Do This
- 1. Preheat oven to 200°C / 400°F. Lightly oil a large baking dish or tray.
- 2. Pat sea bass dry, score each side 3 times, and season inside and out with salt, pepper, and dried oregano/thyme.
- 3. Lay onion, tomato, garlic, and potato slices (if using) in the dish. Drizzle with 2 tbsp olive oil and a pinch of salt.
- 4. Stuff fish cavities with lemon slices and parsley. Place fish on top of the vegetables.
- 5. Top fish with remaining lemon slices, drizzle with 1 tbsp olive oil and a little lemon juice.
- 6. Bake 20–25 minutes, until fish is flaky and opaque. Garnish with fresh parsley and serve with pan juices and extra lemon wedges.
Why You’ll Love This Recipe
- Light, fresh, and aromatic, with classic Mediterranean flavors of lemon, tomato, parsley, and olive oil.
- Everything bakes in one dish, so cleanup is easy and the fish stays moist and tender.
- Works for both weeknight dinners and special occasions with the same simple method.
- Naturally gluten-free and packed with lean protein and healthy fats.
Grocery List
- Produce: 2 whole sea bass, 3 medium tomatoes, 2 lemons, 1 medium red onion, 3 garlic cloves, 1 small bunch fresh parsley, (optional) 2 medium potatoes
- Dairy: None required
- Pantry: Extra-virgin olive oil, fine sea salt, black pepper, dried oregano or thyme
Full Ingredients
For the sea bass
- 2 whole sea bass, about 400–500 g each, scaled and gutted
- 1 tsp fine sea salt (for seasoning the fish)
- ½ tsp freshly ground black pepper
- 1 tsp dried oregano or dried thyme
- 2 tbsp extra-virgin olive oil (for rubbing on the fish and drizzling)
For the vegetable bed and toppings
- 3 medium ripe tomatoes, sliced into 0.5 cm (¼ inch) rounds
- 1 medium red onion, thinly sliced into half-moons
- 3 garlic cloves, thinly sliced
- (Optional but traditional) 2 medium waxy potatoes, scrubbed and sliced into 0.5 cm (¼ inch) rounds
- 1 lemon, thinly sliced into rounds (for stuffing and topping)
- 1 small bunch fresh flat-leaf parsley, roughly chopped (about ½ cup packed)
- 1 tbsp extra-virgin olive oil (for the vegetables)
- ½ tsp fine sea salt (for the vegetables)
For finishing and serving
- Juice of ½ lemon (plus extra wedges for serving)
- Extra chopped parsley, for garnish
- (Optional) Extra-virgin olive oil, for drizzling at the table
- (Optional) Crusty bread, rice, or simple salad, to serve alongside
Step-by-Step Instructions
Step 1: Preheat the oven and prepare the baking dish
Preheat your oven to 200°C / 400°F with a rack in the center. Choose a large baking dish or rimmed baking tray wide enough to hold both fish in a single layer. Lightly brush or drizzle the base with a little olive oil to prevent sticking. This also helps the vegetables caramelize slightly as they roast.
Step 2: Rinse, dry, and score the sea bass
Rinse the sea bass under cold running water, inside and out, to remove any remaining scales or blood. Pat very dry with paper towels; dry fish browns and roasts better.
Using a sharp knife, make 3 diagonal cuts on each side of each fish, about 1 cm (½ inch) deep. These slits help the heat penetrate, cook the fish evenly, and allow the seasonings and lemon flavor to seep into the flesh.
Step 3: Season the fish generously
In a small bowl, mix the 1 tsp salt, ½ tsp black pepper, and 1 tsp dried oregano or thyme. Rub the fish all over with 2 tbsp olive oil, then sprinkle the seasoning mix inside the cavity, into the scored slits, and over the skin. Be sure every surface gets some seasoning; this makes a big difference in flavor.
Step 4: Build the vegetable bed
In the prepared baking dish, spread out the sliced potatoes (if using) in an even layer. Top with the tomato slices and red onion slices, then scatter over the sliced garlic. Drizzle with 1 tbsp olive oil and sprinkle with ½ tsp salt.
Gently toss or use your hands to coat the vegetables with the oil and salt, then spread them out again into a snug bed. This layer will cook in the fish juices and olive oil, becoming soft, sweet, and perfect for spooning onto your plate.
Step 5: Stuff, arrange, and top the fish
Take about half of the chopped parsley and a few lemon slices. Stuff the cavities of the fish with the parsley and 2–3 lemon slices each. Lay the fish on top of the vegetables.
Arrange the remaining lemon slices over and around the fish. Squeeze the juice of ½ lemon over the top. If you like, drizzle a touch more olive oil over the fish for extra richness and shine.
Step 6: Bake until tender and flaky
Place the dish in the preheated oven and bake for 20–25 minutes, depending on the size of your fish. The fish is done when the flesh is opaque and flakes easily with a fork, and the internal temperature reaches about 60–63°C / 140–145°F in the thickest part.
If your fish are very small (around 350 g each), start checking at 18 minutes. If they are larger, they may need up to 28 minutes. The vegetables should be tender, and the tomatoes will have released their juices to create a light, aromatic sauce.
Step 7: Garnish and serve
Remove the dish from the oven and let the fish rest for 5 minutes. This helps the juices settle so the fish stays moist when you serve it.
Scatter the remaining chopped parsley over the fish and vegetables. Serve each person a portion of fish along with plenty of the roasted tomatoes, onions, and potatoes (if used). Spoon the pan juices over the top, and offer extra lemon wedges and a drizzle of olive oil at the table. Fırında levrek pairs beautifully with a simple green salad, rice pilaf, or crusty bread.
Pro Tips
- Start with very fresh fish: The eyes should be clear, the flesh firm, and it should smell like the sea, not fishy. Freshness makes a huge difference in such a simple recipe.
- Dry the fish well: Moisture on the skin prevents good roasting. Pat the fish dry thoroughly before seasoning so the skin roasts instead of steaming.
- Keep the vegetable slices even: Aim for about 0.5 cm (¼ inch) thick. Thicker slices may stay firm, while very thin ones can burn before the fish is cooked.
- Do not overbake: Whole fish can go from perfect to dry quickly. Start checking a few minutes early; as soon as it flakes easily and looks opaque, it is done.
- Use the pan juices: The mixture of olive oil, tomato juices, and lemon is liquid gold. Always spoon it over the fish and vegetables when serving.
Variations
- Herb-forward version: Add fresh dill and mint along with the parsley, and sprinkle a little sumac on top after baking for a bright, tangy Turkish touch.
- Spiced Mediterranean version: Add ½ tsp paprika and a pinch of red pepper flakes to the seasoning mix for a gentle warmth and deeper color.
- Vegetable-packed tray bake: Add sliced fennel bulb, bell peppers, or zucchini to the vegetable bed. Just keep slices fairly thin so they cook in the same time as the fish.
Storage & Make-Ahead
This dish is best eaten fresh, while the fish is tender and the skin is still pleasantly crisp in spots. However, you can store leftovers in an airtight container in the refrigerator for up to 2 days.
To reheat, cover loosely and warm in a 160°C / 320°F oven for about 10–12 minutes, just until heated through. Avoid microwaving for too long, as it can make the fish rubbery. The roasted vegetables reheat very well and are excellent flaked into the fish for a next-day salad or pasta.
For make-ahead prep, you can clean, score, and season the fish, and slice all the vegetables up to 8 hours in advance. Keep everything covered in the refrigerator. When ready to cook, assemble in the baking dish, add olive oil and lemon, and bake as directed.
Nutrition (per serving)
Approximate values for 1 serving (assuming 4 servings, including vegetables and olive oil): about 400–430 kcal, 35–40 g protein, 24–26 g fat (mostly from olive oil and fish, rich in omega-3s), 6–8 g carbohydrates, and a good amount of vitamin C, vitamin A, and potassium from the tomatoes, onion, and lemon. Actual values will vary with the size of the fish and amount of oil used.
