Best Chicken Pot Pie Recipe | Tyler Florence | Food Network

Ingredients

• 1 whole chicken, 3 pounds
• 1 gallon cool water
• 2 carrots, cut in 2-inch pieces
• 2 celery stalks, cut in 2-inch pieces
• 1 onion, halved
• 1 head garlic, halved horizontally
• 2 turnips, halved
• 4 fresh thyme sprigs
• 2 fresh rosemary sprigs
• 1 bay leaf
• 1/4 pound (1 stick) unsalted butter
• 1/2 cup all-purpose flour
• Sea salt and freshly ground black pepper
• 3 carrots, cut in 1/2-inch circles
• 1 bag frozen or fresh pearl onions, see note
• 1 box frozen or fresh peas, see note
• Leaves from 4 fresh parsley sprigs
• 2 frozen puff pastry sheets, thawed
• 1 egg mixed with 3 tablespoons water
• 1/4 cup shredded Parmigiano-Reggiano