Halibut à la Nage With Clams, Dill, and White Wine Recipe

Ingredients (11)

• 4 tablespoons unsalted butter, divided
• 1 medium yellow onion, diced
• 1 small fennel bulb, halved, cored, and diced, plus fronds for garnish (optional)
• 2 medium cloves garlic, roughly chopped
• 1 stalk celery, diced
• 1 cup dry white wine
• 2 cups water
• 4 (6-ounce) skinless halibut fillets
• Kosher salt and freshly ground black pepper
• 1 dozen littleneck clams, scrubbed
• 1 tablespoon chopped dill