The Ultimate Chicken Pot Pie Recipe - Proper Comfort Food!

Ingredients

• 2 1/2 cups (300g) all-purpose flour, plus extra for dusting
• 1 teaspoon (5g) salt
• 1 cup (226g/2 sticks) unsalted butter, very cold and cut into cubes
• 1/2 cup (120ml) ice water
• 1 large egg, lightly beaten (for egg wash)
• 2 tablespoons (30ml) olive oil
• 1 large onion, chopped (approx. 1 cup/150g)
• 2 carrots, peeled and diced (approx. 1 cup/130g)
• 2 celery stalks, diced (approx. 1 cup/120g)
• 1 pound (450g) boneless, skinless chicken breasts, cut into 1-inch cubes
• 1/2 teaspoon (2.5g) dried thyme
• 1/4 teaspoon (1.25g) dried rosemary
• 1/4 cup (30g) all-purpose flour
• 4 cups (950ml) chicken broth, low sodium
• 1 cup (240ml) heavy cream
• 1 cup (150g) frozen peas
• 1 cup (150g) frozen corn
• 1/4 cup (30g) chopped fresh parsley
• Salt and freshly ground black pepper, to taste