Quick Recipe Version (TL;DR)
Quick Ingredients
- 2 whole branzino (1–1 1/4 lb each), scaled, gutted, butterflied
- 4 tbsp extra-virgin olive oil, divided (for fish)
- 1 tsp kosher salt, 1/2 tsp black pepper
- 1 lemon, thinly sliced, plus 1 lemon for zest and juice
- 5 garlic cloves (4 for stuffing, 1 for salsa)
- 6–8 sprigs fresh thyme or oregano, plus 1/4 cup chopped parsley
- 1/3 cup extra-virgin olive oil (for salsa)
- 3 tbsp capers, rinsed and chopped
- 2 tbsp finely minced shallot or red onion
- Pinch red pepper flakes
Do This
- 1. Heat oven to 425°F (220°C). Line a large sheet pan with parchment and lightly oil.
- 2. Pat branzino dry. Season inside and out with salt and pepper; drizzle with 2 tbsp olive oil.
- 3. Stuff cavities with lemon slices, sliced garlic, and herb sprigs; close fish and place on pan.
- 4. Rub skin with remaining 2 tbsp olive oil. Roast 18–22 minutes until flesh flakes and skin blisters.
- 5. While fish roasts, whisk salsa: olive oil, capers, minced shallot, chopped parsley, minced garlic, lemon zest and juice, red pepper flakes, salt and pepper.
- 6. Optional: Broil fish 1–2 minutes to further blister skin, watching closely.
- 7. Serve fish whole on a platter; spoon olive oil–caper salsa over top and around, with extra lemon wedges.
Why You’ll Love This Recipe
- Restaurant-style whole roasted fish that is surprisingly simple for home cooks.
- Bright Mediterranean flavors from lemon, garlic, fresh herbs, and briny capers.
- Butterflied branzino cooks quickly and evenly, with juicy flesh and crisp, blistered skin.
- Light, healthy, and impressive enough for dinner parties but easy enough for a weeknight.
Grocery List
- Produce: 2 lemons, garlic, shallot or red onion, fresh parsley, fresh thyme or oregano, optional fresh dill, optional fresh herbs for garnish.
- Dairy: None.
- Pantry: 2 whole branzino, extra-virgin olive oil, capers, kosher salt, black pepper, red pepper flakes, flaky sea salt (optional for serving).
Full Ingredients
For the Roasted Mediterranean Branzino
- 2 whole branzino (about 1–1 1/4 lb / 450–570 g each), scaled, gutted, and butterflied (ask your fishmonger)
- 4 tbsp extra-virgin olive oil, divided (2 tbsp for seasoning fish, 2 tbsp to rub on the skin)
- 1 tsp kosher salt, divided (about 3/4 tsp for the fish, 1/4 tsp for the salsa; adjust to taste)
- 1/2 tsp freshly ground black pepper
- 1 lemon, very thinly sliced (remove seeds)
- 4 garlic cloves, thinly sliced
- 6–8 fresh thyme or oregano sprigs (or a mix)
- Optional: 2–3 tbsp dry white wine to splash on the pan for extra aroma
For the Olive Oil & Caper Salsa
- 1/3 cup extra-virgin olive oil
- 3 tbsp capers in brine, rinsed and roughly chopped
- 2 tbsp finely minced shallot or red onion
- 1 small garlic clove, very finely minced or grated
- 1/4 cup finely chopped fresh flat-leaf parsley
- 1–2 tbsp finely chopped fresh dill or fresh oregano (optional but recommended)
- Finely grated zest of 1/2 lemon
- 2–3 tbsp freshly squeezed lemon juice (about 1/2 lemon), to taste
- 1/4 tsp kosher salt, plus more to taste
- 1/8 tsp freshly ground black pepper
- Pinch red pepper flakes (about 1/8 tsp), or to taste
To Serve (Optional)
- 1 lemon, cut into wedges
- Extra chopped fresh herbs for garnish (parsley, dill, or oregano)
- Flaky sea salt, for finishing
- Crusty bread or boiled/roasted potatoes, for serving alongside
Step-by-Step Instructions
Step 1: Preheat the oven and prepare your pan
Adjust your oven rack to the middle position and preheat the oven to 425°F (220°C). Line a large, rimmed baking sheet with parchment paper for easy cleanup, or lightly oil the pan. If your fish are on the larger side, use a full-sheet or two smaller pans so they have room around them to roast rather than steam.
If you like a bit of extra aroma and moisture, you can plan to splash 2–3 tbsp dry white wine onto the pan just before the fish goes in the oven, but this is optional.
Step 2: Pat the branzino very dry and season
Use paper towels to pat the branzino completely dry, inside and out. Dry skin is essential for good browning and blistering. Lay each fish open like a book (butterflied) on your cutting board, skin side down.
Sprinkle the flesh and inner cavity evenly with about 3/4 tsp kosher salt and 1/2 tsp black pepper. Drizzle the flesh side of each fish with about 1 tbsp olive oil (using a total of 2 tbsp) and rub it in gently with your fingers so the seasoning and oil are evenly distributed.
Step 3: Stuff with lemon, garlic, and herbs
Arrange the lemon slices in a single, slightly overlapping layer along the length of each fish, using about half a lemon per fish. Tuck the garlic slices in and around the lemon, trying to keep most of them inside the cavity so they do not burn. Lay 3–4 sprigs of thyme or oregano over the lemon and garlic in each fish.
Gently close the fish so the skin sides meet and the stuffing is enclosed. Transfer each stuffed branzino to the prepared baking sheet, positioning them diagonally or side by side. If using, pour 2–3 tbsp dry white wine onto the pan around the fish, not over the skin.
Step 4: Oil and roast until the skin blisters
Rub the outer skin of each fish with the remaining 2 tbsp olive oil, coating it evenly so it will crisp and blister in the oven. If you have a little extra salt, you can lightly sprinkle the skin for added flavor.
Roast at 425°F (220°C) for 18–22 minutes, depending on the thickness of the fish. The branzino is done when the thickest part of the flesh flakes easily with a fork, is opaque all the way through, and an instant-read thermometer inserted into the thickest part reads about 130–135°F (54–57°C). The skin should look golden in spots and lightly blistered.
Step 5: Make the olive oil & caper salsa while the fish roasts
While the branzino is in the oven, make the salsa. In a medium bowl, combine:
- 1/3 cup extra-virgin olive oil
- 3 tbsp chopped capers
- 2 tbsp finely minced shallot or red onion
- 1 small minced or grated garlic clove
- 1/4 cup chopped fresh parsley and optional 1–2 tbsp chopped dill or oregano
- Zest of 1/2 lemon
- 2–3 tbsp lemon juice, to taste
- 1/4 tsp kosher salt, 1/8 tsp black pepper, and a pinch of red pepper flakes
Whisk or stir well until everything is evenly combined and glossy. Taste and adjust seasoning with more lemon juice, salt, or red pepper flakes as needed. The salsa should be bright, tangy, lightly salty, and well balanced.
Step 6: Optional broil for extra blistered skin
If, when the fish is cooked through, you would like the skin even more blistered and charred in spots, switch the oven to broil (high). Broil the fish for 1–2 minutes, watching very closely so the skin does not burn. You want scattered darker blisters, not an entirely blackened surface.
Once the skin looks nicely blistered, immediately remove the pan from the oven and let the fish rest for 3–5 minutes. This allows the juices to redistribute for moist, tender flesh.
Step 7: Plate, garnish, and serve
Carefully transfer the whole branzino to a warm serving platter, using a large spatula or two spatulas to support the fish. You can serve the fish closed, or gently open it slightly to reveal some of the lemon and herbs inside for a more dramatic presentation.
Stir the salsa again, then spoon a generous amount over the top and around the fish, letting it pool on the platter. Scatter with extra chopped herbs and a pinch of flaky sea salt if you like. Serve immediately with lemon wedges on the side and plenty of crusty bread or simple potatoes to soak up the olive oil–caper juices.
Pro Tips
- Ask your fishmonger to prep the fish. Request whole branzino that is scaled, gutted, and butterflied. This saves time and ensures even cooking.
- Dry fish equals crisp skin. Really take the time to pat the fish dry before seasoning. Any surface moisture will fight against browning and blistering.
- Do not overcook. Branzino is a lean fish and cooks quickly. Start checking at 16–18 minutes. Slightly under is better than over; residual heat will finish it.
- Balance the salsa to your taste. If it tastes too sharp, add a teaspoon more olive oil. If it feels flat, add a little extra lemon juice or a small pinch of salt.
- Serve the fish family-style. Present the whole branzino at the table, then use a spoon and fork to gently lift off the top fillet, remove the backbone, and serve portions.
Variations
- Herb swap: Use basil and mint instead of dill and oregano for a softer, sweeter Mediterranean flavor. Add a few cherry tomato halves to the pan to roast alongside.
- Chili-lovers’ version: Add 1/2–1 tsp Aleppo pepper or crushed red pepper directly to the fish before roasting, and increase the red pepper flakes in the salsa.
- Citrus twist: Replace half the lemon with thin slices of orange or blood orange inside the fish, and use a mix of lemon and orange juice in the salsa for a more complex citrus profile.
Storage & Make-Ahead
This dish is best enjoyed freshly cooked, when the skin is crisp and the fish is just-flaky. If you have leftovers, remove the flesh from the bones, discard the lemon and herbs, and store the fish in an airtight container in the refrigerator for up to 2 days. Keep the olive oil & caper salsa in a separate container, also refrigerated, for up to 3 days.
To reheat, place the fish on a parchment-lined baking sheet, cover loosely with foil, and warm in a 300°F (150°C) oven for about 8–10 minutes, just until heated through. The skin will not stay crisp, but the flesh will still be tasty. The salsa can be served chilled or at room temperature; if refrigerated, let it sit out for 15–20 minutes and stir before serving.
Nutrition (per serving)
Approximate values for 1 serving (one-quarter of the recipe, including some salsa):
Calories: ~430 kcal; Protein: ~34 g; Fat: ~30 g; Saturated Fat: ~4 g; Carbohydrates: ~4 g; Fiber: ~1 g; Sugars: ~1 g; Sodium: will vary based on salting and capers but approximately 550–650 mg. These values are estimates and will vary with the exact size of the fish and the amount of salsa used.
