Filet de Bar en Croûte de Sel (Sea Bass Baked in a Salt Crust)
Why this recipe works
- Gentle salt-crust cooking: The sealed crust traps steam around the fish, helping the flesh cook evenly while staying moist and delicate.
- Simple ingredients, clear flavour: Sea bass, thyme, lemon and olive oil keep the focus on the fish rather than covering it with heavy seasoning.
- Bright finish: Lemon cuts through the natural richness of the fish and lifts the olive oil without overpowering the mild flesh.
Get the most out of this recipe
Timing notes
- Rest before cracking: A short rest lets carryover heat finish the fish gently and makes the crust easier to remove cleanly.
- Serve soon after opening: Once the crust and skin are removed, the fillets cool quickly, so bring them to the table promptly.
- Most effort is upfront: The main work is sealing the fish well in the salt mixture; the oven time is largely hands-off.
Ingredient notes
- Use skin-on sea bass: The skin protects the flesh from direct contact with the salt crust and helps the fillets lift away neatly.
- Choose coarse sea salt: Coarse salt forms a firm shell with the egg white, while fine salt can compact too tightly and cling to the fish.
- Fresh herbs work best: Fresh thyme gently perfumes the fish as it steams; rosemary gives a stronger, more resinous aroma.
Common mistakes
- Leaving gaps in the crust: Any exposed areas can dry out, so press the salt mixture firmly around the fish to create a complete seal.
- Baking too long: If unsure, lean slightly short on the baking time and let the fish finish gently inside the crust.
- Serving stray salt: Lift away the shell carefully and brush off loose salt before removing the skin to avoid harsh salty bites.
Serving ideas
- Simple sides: Serve with boiled new potatoes, steamed green beans, fennel salad or lightly dressed leaves.
- Optional sauce: A light herb oil or aioli works well if you want extra richness without masking the fish.
- Wine pairing: A crisp dry white such as Muscadet, Picpoul or unoaked Sauvignon Blanc suits the lemon and olive oil finish.
Equipment you'll need
Ingredients
Instructions
- Heat the oven to 220°C (430°F). Pat the sea bass dry and tuck 2 sprigs of fresh thyme into the cavity of each fish.
- In a mixing bowl, whisk the egg whites until foamy, then stir in the coarse sea salt until it looks like wet sand and holds its shape when pressed. Spread a 1 cm layer of the salt mixture on a baking tray, sized to fit both fish.
- Lay the fish on the salt bed and cover completely with the remaining salt mixture, pressing firmly to seal with no gaps. Bake for 18 to 22 minutes, until the crust is hard and lightly golden and the fish feels just firm through the crust.
- Rest for 5 minutes. Crack the crust open with the back of a spoon, lift away the salt shell, then carefully remove the skin and lift the fillets away from the bones.
- Cut the lemon into wedges. Serve the fish with lemon to squeeze over and olive oil to drizzle at the table.
Recipe notes
Tips
- Drying the fish well helps the salt crust set quickly and makes it easier to lift away cleanly.
- If you are unsure on timing, err on the shorter side and rest the fish in the crust for a couple of minutes longer; carryover heat will finish it gently.
- For anyone who is pregnant, elderly, or immunocompromised, make sure the fish is cooked until piping hot throughout.
Substitutions
- Replace Fresh thyme with Fresh rosemary for a more resinous, aromatic flavour.
- Replace Lemon with Lime for a sharper, more tropical citrus finish.
Storage
- Refrigerate up to 2 days
- Remove the fish from the crust and store in an airtight container in the fridge. Reheat gently in a 160°C (320°F) oven until just warmed through, or flake into a salad to avoid drying it out.
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Recipe overview
- Servings: 2 servings
- Total time: 45min (15min active)
- Difficulty: Medium
- Cuisine: French
-
Allergens:
Eggs Fish
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