3 poached with truffle cream and Recipes

lemon, halved , plus 1 tbsp fresh lemon juice, artichokes (10 to 12 oz each), all-purpose flour, olive oil, kosher salt, fresh porcino or cremino mushrooms (3), trimmed, heavy cream, grated parmigiano-reggiano, kosher salt , or to taste, white truffle oil, black pepper, distilled white vinegar, eggs, garnish: finely chopped fresh flat-leaf parsley

shrimp (about 28) in shells, salt, unsalted butter, cognac, water, wide) slices center-cut salmon fillet (1 1/2 to 2 lb total), skinned, fresh or preserved black winter truffles (28 g), salt, dry white wine, french chablis or other dry white wine, chopped shallot, heavy cream, arrowroot, cognac, salt, black or white pepper