Crispy Skin Branzino with Mediterranean Lemon Herb Skillet Step-by-step instructions

Before you start

Before cooking, pat the branzino fillets very dry with paper towels—this is essential for crispy skin. Score the skin in a crosshatch pattern and set aside. Grate the Graviera cheese, halve the cherry tomatoes if large, and pit the olives if needed.

Chop the fresh oregano and parsley, and measure the lemon juice. Have the garlic-herb butter at room temperature so it melts quickly in the pan. Set a large cast-iron or heavy skillet over medium-high heat to preheat while you prepare the ingredients.

Instructions

Prep and Sear

1. 1Prep the Fish and Cheese
   Pat the branzino fillets dry with paper towels. Using a sharp knife, score the skin in a crosshatch pattern, cutting just through the skin and not into the flesh. Grate the aged Graviera cheese on the large holes of a box grater into a small bowl. Set both aside.
   Look for The skin is scored in a diamond pattern; the cheese is a fluffy pile of golden shreds.
   Tip Scoring helps the skin crisp evenly and lets the seasoning penetrate.
2. 2Heat the Skillet
   Place a large cast-iron or heavy skillet over medium-high heat. Add the olive oil and butter. Swirl the pan as the butter melts and foams. When the foam subsides and the butter smells nutty, the pan is ready.
   Look for The butter is foaming and just beginning to brown.
   Tip Use a heavy pan to hold steady heat for a crisp crust.

The fillets are scored and the cheese is grated. The skillet is hot, and the butter is foaming. When the fillets go in, you hear a satisfying sizzle; the skin gradually turns golden and crisp.

The fish releases from the pan easily when you nudge it with a spatula. The kitchen smells of nutty butter and fresh fish.

Add the Vegetables

3. 3Sear the Fish Skin-Side Down
   Lay the branzino fillets in the skillet skin-side down, pressing gently with a spatula for 2 seconds. Cook undisturbed for 4-5 minutes, until the skin is deeply golden and releases easily from the pan.
   Look for The edges of the skin turn golden-brown and the fish releases from the pan.
   Safe temperature 145°F (63°C) internal temperature (fish)
   Tip Do not move the fillets too early; let the skin form a crust.
4. 4Add Tomatoes, Olives, and Capers
   Scatter the cherry tomatoes, Kalamata olives, and capers around the fillets. Add the garlic herb butter in small pieces over the tomatoes and fish. Cook for 3-4 minutes, spooning the melting butter over the fish.
   Look for Tomatoes begin to blister and release juices; the butter is aromatic with garlic and herbs.
   Tip Tilt the pan and baste the fish with the butter for extra flavor.

The tomatoes begin to blister and release their juices, mixing with the butter and olive oil. The olives and capers add briny pops of flavor. The garlic-herb butter melts and sizzles, coating everything. The fish is nearly cooked through, and the skin is deeply browned and crackling.

Finish and Serve

5. 5Finish with Lemon and Herbs
   Squeeze the lemon juice over the fish, then sprinkle with the chopped oregano and parsley. Cook for 1 minute more, then remove from heat.
   Look for The herbs brighten the dish; the lemon juice sizzles in the hot pan.
   Tip Add the fresh herbs at the end to keep their color and flavor.
6. 6Serve the Skillet Fish
   Using a fish spatula, transfer the fillets to plates, skin-side up. Spoon the tomatoes, olives, and pan juices over each fillet. Sprinkle with the grated Graviera cheese and serve immediately.
   Look for The cheese melts slightly over the hot fish; the skin is crisp and golden.
   Tip Serve straight from the skillet for a rustic presentation.

The lemon juice brightens the pan, and the fresh herbs add a burst of color and fragrance. The cheese is scattered over the hot fish, melting slightly. The fillets are transferred to plates, skin-side up, with the tomato-olive mixture spooned over. The dish looks glossy, golden, and inviting.

Common mistakes

One common mistake is moving the fish too early. The skin needs time to release from the pan naturally; if you try to flip or move it before it's ready, the skin will stick and tear.

Another pitfall is overcrowding the skillet—use a pan large enough to hold the fillets without touching, or cook in batches. Finally, don't skip the lemon and fresh herbs at the end; they brighten the dish and balance the richness of the butter and cheese.

How to tell it’s done

The branzino is done when the skin is deep golden and crisp, and the flesh flakes easily with a fork. To check, insert a thin knife into the thickest part of the fillet and peek—the flesh should be opaque and just beginning to flake.

The internal temperature should reach 145°F (63°C) on an instant-read thermometer. The tomatoes should be blistered and soft, and the olives warmed through. The pan juices will have reduced slightly and be aromatic with garlic and herbs.

• Fish: 145°F (63°C) in the thickest part