Equipment
Ingredients
Fish and Seasoning
- 2 whole sea bass, scaled, gutted, and rinsed
- 60 ml extra virgin olive oil
- 8 g fine sea salt
Warm Tomato Dressing
- 350 g plum tomatoes, cored and cut into 1 cm dice
- 3 garlic, peeled and thinly sliced
- 20 g fresh basil, leaves picked and roughly torn
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 550 kcal
- Protein
- 53 g
- Carbohydrates
- 9 g
- Fat
- 33 g
- Fiber
- 2 g
- Sugar
- 5 g
- Sodium
- 1771 mg
- Saturated Fat
- 5 g
- Potassium
- 1166 mg
- Calcium
- 71 mg
- Iron
- 1.7 mg
- Magnesium
- 140 mg
- Phosphorus
- 546 mg
- Zinc
- 1.2 mg
- Vitamin A
- 226 mcg
- Vitamin C
- 27 mg
- Water
- 393 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Preheat the oven to 200°C (400°F) and line a rimmed baking sheet with parchment paper.
Pat the whole sea bass thoroughly dry inside the cavity and across both sides with paper towels to ensure crisp skin. Immediately discard the paper towels and sanitize hands, cutting board, and prep area to avoid cross-contamination.
Score both sides of each fish with a sharp chef knife on a clean cutting board, cutting three shallow diagonal slashes about 5 mm deep into the thickest part of the loin.
Season the cavity and exterior of both sea bass evenly with 5 g of the fine sea salt, working the salt into the slashes, then rub the exterior of both fish evenly with 20 ml of the extra virgin olive oil.
Arrange the sea bass on the prepared rimmed baking sheet and roast in the preheated oven at 200°C (400°F) for 18 to 22 minutes until an instant-read thermometer inserted into the thickest muscle behind the head registers 63°C (145°F).
Remove the baking sheet from the oven and allow the roasted fish to rest on the sheet for 5 minutes so juices settle evenly through the meat.
Heat the remaining 40 ml of extra virgin olive oil in a small saucepan over medium-low heat, add the sliced garlic, and warm gently for 2 minutes until aromatic and pale translucent without browning.
Add the diced plum tomatoes and remaining 3 g of fine sea salt to the garlic oil and sauté over medium heat for 3 minutes until the tomatoes soften slightly and release their sweet juices while still maintaining distinct dice.
Remove the saucepan from the heat source and fold the torn fresh basil leaves into the warm plum tomato mixture until just wilted.
Transfer the whole roasted sea bass carefully to a warmed serving platter using a fish spatula, then spoon the warm plum tomato and herb dressing generously across and around the fish and serve immediately.
Chef's Notes
- Choose firm, vibrant plum tomatoes with minimal soft spots; their dense pericarp walls and lower water ratio create a structured warm salsa rather than a watery sauce.
- Cooking fish whole on the frame delivers superior succulence and depth of flavor compared to fillets because bone collagen and cavity marrow gently baste the meat as it roasts.
- Always check internal temperature by inserting the thermometer probe horizontally from the dorsal neck region straight toward the backbone without making contact with the bone itself.
- For the cleanest dining experience, run a fish spatula along the top dorsal line to lift off the top fillet whole, pull the spine and head away in one clean piece, and then enjoy the bottom fillet.
Storage
Refrigerator: 2 days — Store the fish and dressing in separate airtight containers to maintain fish skin texture. Refrigerate within two hours of cooking at 4°C (40°F) or below.
Reheating: Place fish on a parchment-lined baking sheet and warm in an oven at 150°C (300°F) for 8 to 10 minutes until heated through. Warm the dressing gently in a small skillet over low heat for 1 to 2 minutes. Check that all cooked leftovers reach 74°C (165°F) throughout before serving; extend the reheating time as necessary.
Troubleshooting
Fish skin sticks to the baking surface or tears during transfer
Cause: The skin was damp when placed in the oven, or parchment paper was omitted
Fix: Carefully slide a flexible fish spatula flat against the parchment beneath the skin to release it gently without shredding the fillet
Prevention: Thoroughly pat the exterior of the fish bone-dry before coating in oil, and always bake on parchment paper
Tomato dressing becomes watery and separates into thin liquid instead of a glossy sauce
Cause: The plum tomatoes were overcooked beyond 3 minutes, causing their cell walls to fully collapse and dump excess water
Fix: Remove the tomato chunks with a slotted spoon onto the fish, then rapidly boil the remaining pan juice over high heat for 60 seconds to reduce before spooning over
Prevention: Keep the tomato sauté brief so the flesh warms through and retains structure while releasing just enough pectin and juice to form an emulsion with the oil
Flesh near the spine remains gelatinous and clings stubbornly to the bone
Cause: The fish was roasted directly from ice-cold refrigerator temperature or the oven ran below set point
Fix: Return the sea bass to the 200°C (400°F) oven for an additional 3 to 5 minutes until the core reaches 63°C (145°F)
Prevention: Let the fish rest at cool room temperature for 10 minutes before roasting, and calibrate oven temperature
Cultural Context
Roasting whole fish with olive oil and ripe fruit has been a cornerstone of Mediterranean coastal cooking from the Ligurian coast to the Greek islands for centuries. This preparation pays homage to traditions like Italian pesce all'acqua pazza, where sweet seasonal plum tomatoes, aromatic garlic, and fresh herbs gently highlight the delicate sweetness of fresh Mediterranean sea bass.
