3 crusted halibut roasted Recipes

butter, extra-virgin olive oil, divided, halibut fillets, skinned, egg white, lightly beaten, salt, divided, freshly ground black pepper, divided, chopped hazelnuts, garlic cloves, thinly sliced, asparagus, trimmed, chopped fresh thyme, lemon wedges, roasted red potatoes

toasted, skinned hazelnuts, dry mustard, kosher salt, cayenne, lemon zest, fresh thyme leaves, pacific halibut fillets, about 6 oz. each, melted unsalted butter, roasted hazelnut oil, minced shallots, chopped apple such as fuji, lemon juice, dijon mustard, chopped fresh thyme leaves, plus leaves for garnish, kosher salt, pepper, cayenne