Serves four
Make a brine for the fish with the water, salt, sugar, lemon zest, herbs, and garlic. Bring to a simmer and strain.
Cool the brine then pour over the fish for 10 minutes. Remove the fish and vacuum pack with the olive oil. Preheat an immersion circulator to 57C. Cook the fish for about 12 minutes in the circulator, this depends on the thickness of the fillets.
Vacuum pack the potatoes with the clarified butter after seasoning with salt and pepper, Cook in a combi oven set to steam and 190F for twenty minutes or until done. Cool quickly in an ice-water bath.
* Combi oven is a steaming oven.
Add the diced proscuitto to a medium sauce pan over medium heat. Lightly brown the proscuitto add the onion, sweat until translucent. Add the aromatics and the stock. Stew the broth until all flavors have incorporated, strain the stock and reserve. Once it has started to cool, the fat should separate to the top of the broth. Using a spoon or ladle remove that fat and discard.
Cut eight potato slices into rectangles 4”X1½”. Season with salt and pepper, brush on clarified butter and place between two layers of parchment paper. Bake at 300F until crisp. Reserve in an airtight container or a dehydrator until ready to plate.
Sweat the shallots in the oil, add the truffle, sweat for 5 minutes, add the stock, bring to a simmer. Puree and pass through a fine sieve. Reserve seven ounces for the truffle gel.
Warm blanched cauliflower in the butter fondue, season with salt and pepper.
Heat the cauliflower with the cream. Stew until the cauliflower is tender enough to puree. Place the cauliflower and cream in a high-speed blender, puree with the xanthan gum and pass through a fine sieve, season with salt and pepper.
Heat the cauliflower with the cream. Stew until the cauliflower is tender enough to puree. Place the cauliflower and cream in a high-speed blender, puree with the xanthan gum and pass through a fine sieve, season with salt and pepper.
Reduce the shallots and truffle with the banyuls by on third. Warm the demi glace and evaporate for 30 minutes, add the aromatics. Skim the sauce while cooking. Strain the sauce and add the banyuls truffle reduction to taste. Add whole butter to the sauce as needed.
Remove the sturgeon from the vacuum bag, place a spoon full of the cauliflower puree on the plate. Scatter the diced truffle gel, cauliflower in butter fondue and romanesco. Place the crystal lettuce and battons of truffle, season the white cauliflower florets with the zhatar. Place the potatoes and the potato glass, spoon the truffle reduction around.