Loup de Mer en Croûte de Sel

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Loup de Mer en Croûte de Sel—sea bass baked in a salt crust—is one of Provence’s most theatrical and technically precise fish preparations, transforming a whole fish into a perfectly steamed, intensely flavoured centrepiece through the alchemy of salt, heat, and moisture. The technique exploits salt’s dual properties: as an insulator that creates an even, gentle cooking environment, and as a seasoning agent that penetrates the skin during baking. The preparation begins with a whole, ungutted or gutted loup (European sea bass, Dicentrarchus labrax) of 1-1.5kg, stuffed with fresh herbs (fennel fronds, thyme, bay leaf), lemon slices, and sometimes a splash of pastis. The salt crust is a mixture of 2kg coarse sea salt (sel gris de Camargue is traditional) with 2-3 egg whites, mixed until the salt holds together when squeezed—the egg whites act as binder, creating a hermetic shell. The fish is laid on a 1cm bed of salt mixture on a baking tray, then completely encased in the remaining salt, pressed firmly to eliminate air gaps. The sealed fish bakes at 220°C for 25-30 minutes per kilo—internal temperature should reach exactly 58°C at the spine for perfectly moist flesh. The crust hardens into a ceramic-like shell that is cracked tableside with dramatic ceremony. The fish inside is not overly salty—the skin acts as a barrier—but is perfectly seasoned, incredibly moist, and infused with the herbs’ essential oils, which have been trapped in the sealed chamber.

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