Branzino Recipe: Whole Roasted Mediterranean Sea Bass

Branzino is the Mediterranean sea bass that turns any weeknight into a coastal dinner. Roasted whole with lemon, garlic, and herbs, it's elegant, flaky, and surprisingly simple.
Why You'll Love This Recipe
- Restaurant-quality in 30 minutes. Truly — from cutting board to platter, this whole roasted fish takes less time than ordering takeout.
- Just six core ingredients. Lemon, garlic, herbs, olive oil, salt, pepper. The fish does the talking.
- Naturally gluten-free and low-carb. A lean, protein-rich main that fits Mediterranean, keto, and Whole30 styles of eating.
- Show-stopping presentation. A whole fish on a platter is dinner-party theater with almost zero effort.
- Forgiving technique. High heat + short cook time means it's very hard to overcook if you watch the eyes.

What Is Branzino?
Mediterranean Sea Bass at a Glance
Branzino is the Italian name for European sea bass — a slender, silver-skinned fish native to the coastal waters of the Mediterranean and Eastern Atlantic. Most of what you'll find at U.S. fish counters and on restaurant menus is farmed off the coasts of Greece, Spain, Turkey, or Italy, where aquaculture practices have improved dramatically over the last decade. The fish typically arrives at market at just over a pound, which happens to be the perfect single-serving size for whole roasting. It's a staple of classic Mediterranean fish recipes for very good reason.What Branzino Tastes Like
The flavor is mild, faintly sweet, and just a whisper briny — nothing like the assertive, oily punch of mackerel or sardines. The flesh is pearly white, tender, and breaks into clean, satisfying flakes when you nudge it with a fork. Even people who claim they don't like fish tend to fall for branzino on the first bite, especially when its skin has been crisped into something resembling a delicate chip.Branzino vs. Other White Fish
Think of branzino as the more elegant, slightly sweeter cousin of red snapper or sea bream. It's leaner and more delicate than Chilean sea bass (which is actually a different species entirely — Patagonian toothfish), and it cooks faster than a thick cod fillet. If you can't find branzino, you can absolutely use this same method with porgy, dorade, or small trout.
Ingredients You'll Need
Choosing a Fresh Whole Branzino
Look for fish with clear, bright eyes (not cloudy or sunken), shiny silver skin, and a clean, almost cucumber-like ocean smell. Gills should be a vivid red-pink. Ask the fishmonger to scale, gut, and gill the fish for you — it takes them ninety seconds and saves you a messy job at home. Aim for one whole branzino per person, around a pound apiece.Aromatics: Lemon, Garlic, and Herbs
The holy trinity here is lemon, garlic, and fresh herbs. Thin lemon slices and smashed garlic cloves go straight into the cavity along with sprigs of thyme and flat-leaf parsley. The aromatics gently perfume the flesh from the inside out as the fish roasts. Good extra-virgin olive oil — the grassy, peppery kind you'd actually drink — does most of the heavy lifting on the outside.Finishing Touches and Optional Swaps
Flaky sea salt at the table is non-negotiable. From there, feel free to riff: fennel fronds and orange slices in the cavity, a drizzle of lemon garlic butter sauce just before serving, or a spoonful of bright salsa verde recipe over each fillet. A whisper of red pepper flakes adds gentle heat.How to Cook Branzino on a Sheet Pan
The magic of this technique is high, dry heat. You want a screaming-hot oven (450°F) and a preheated sheet pan, which gives the underside of the fish a head start and prevents that dreaded sticky, steamy skin. Pat the fish absolutely bone-dry with paper towels, inside and out — this is the single most important step for achieving truly crispy skin. Three shallow diagonal slashes through the skin on each side let heat and seasoning penetrate, and they also signal doneness as the flesh blooms open.



How to Fillet a Whole Branzino
This sounds intimidating and is genuinely not. With the fish on a platter, run a butter knife along the top of the spine to release the upper fillet, then slide the knife under the fillet from head to tail and lift it cleanly off in one piece. Once that side is plated, grab the tail and lift — the entire skeleton will pull away from the bottom fillet in one satisfying tug, leaving you with a second clean piece of fish. Pluck any stray pin bones with tweezers.
What to Serve with Branzino
This is a fish that plays well with almost any Mediterranean side. A pile of blistered cherry tomatoes and arugula dressed in lemon and olive oil keeps things bright and feels like a complete plate. A roasted vegetables side dish — think fennel, zucchini, or baby potatoes crisped in the same hot oven — turns it into a proper feast. For something more substantial, a lemony orzo, herby couscous, or warm white bean salad with shallots all work beautifully.

Expert Tips
- Pat the fish completely dry. Inside and out, with paper towels. Moisture is the enemy of crispy skin — this single step is the difference between blistered and soggy.
- Preheat the sheet pan. Slide your pan into the oven while it heats. Laying the fish on a hot surface sears the underside immediately and prevents sticking.
- Salt the cavity, not just the skin. Seasoning from the inside infuses the flesh as it cooks, the way salting a chicken cavity does.
- Watch the eyes. When the eyes turn opaque white and slightly bulge, the fish is done. It's the most reliable visual cue.
- Rest before serving. Three to five minutes lets juices settle and makes filleting dramatically easier.
Variations & Substitutions
This recipe is a strong template — once you've nailed the basic method, the flavor directions are nearly endless.
- Greek-style: Stuff with oregano, dill, and lemon; finish with a spoon of skordalia or tzatziki.
- Sicilian: Add orange slices, fennel fronds, and a few olives and capers to the cavity.
- Asian-inspired: Swap lemon for lime, add scallions and ginger inside, finish with soy, sesame oil, and cilantro.
- Grilled: Use the same prep on a hot grill in a fish basket, 6 minutes per side.
- Fillet version: Pan-sear skin-side down in olive oil for 4 minutes, flip 1–2 minutes more for a quick weeknight win.
Storage & Leftovers
Leftover branzino keeps well, though it's best eaten the day it's roasted. Remove the flesh from the bones first — it'll keep longer and reheat more evenly without the skeleton. Store in an airtight container in the refrigerator for up to 2 days, with a small drizzle of olive oil over the top to prevent drying.
To reheat, place fillets on a parchment-lined sheet pan, cover loosely with foil, and warm in a 275°F oven for 8 to 10 minutes — low and slow is the move. Avoid the microwave, which turns delicate white fish rubbery in seconds. Freezing cooked branzino isn't recommended; the texture suffers noticeably. Cold leftovers are wonderful flaked into a salad with capers, olives, and lemon vinaigrette for lunch the next day.


