Preheat the oven
Set a rack in the middle of the oven and heat it to 220° C. Let it fully preheat while you finish the prep so the salt crust starts firming up right away.
Rinse the fish
Rinse the sea bass quickly under cold water, then pat it very dry inside and out, including the belly cavity. Leave the scales on; they help protect the flesh inside the salt crust.
Mix the crust
In a large bowl, mix all of the coarse sea salt with the egg whites until the grains are evenly moistened and the mixture feels like damp sand. It should clump when you squeeze it without dripping.
Bake the fish
Spread a thick bed of the salt mixture on a rimmed baking tray, set the fish on top, and pack the rest all around and over it so it is completely sealed. Bake for 25–30 minutes, starting to check at 25 minutes; if your fish is closer to 1.2 kg, use the longer end. The crust should be hard and dry when you take it out.
Rest the fish
Take the tray out and let the fish rest for 5 minutes before you crack it open. That short pause lets the juices settle so the flesh stays tender.
Crack and serve
Use the back of a spoon or the tip of a knife to crack the crust open carefully because hot steam will escape. Lift away the shell in big pieces and peel off the skin. Lift the flesh out in large pieces, drizzle with extra virgin olive oil, and finish with lemon wedges for squeezing over the top.

gluten free









