Puff Pastry Chicken Pot Pie

Bahan-bahan (6 porsi)

• 2 strips of bacon, diced
• 1 medium yellow onion, diced
• 2 medium carrots, diced
• 2 ribs celery, diced
• 4 cloves garlic, minced
• 1 tablespoon finely-chopped fresh rosemary
• 2 teaspoons finely-chopped fresh thyme
• 2 teaspoons Dijon mustard
• 1/3 cup all-purpose flour
• 2 cups low-sodium chicken broth
• 1 cup whole milk
• 3 cups (1.25 pounds) cooked shredded chicken
• 2/3 cup frozen peas
• 1/2 cup grated Parmesan cheese
• fine sea salt and freshly-ground black pepper
• 1 1/2 sheets frozen puff pastry, mostly thawed*
• 1 egg, beaten with 1 teaspoon water (for egg wash)