Leftover Turkey Pot Pie

Ingredients (15)

• 1 large egg
• 1 tablespoon water
• 1 frozen puff pastry sheet, thawed
• 4 tablespoons butter
• 1 small yellow onion, finely diced
• 2 celery ribs, finely diced
• 1 large carrot, finely diced
• 2 cups diced leftover turkey,
• 1/4 cup all purpose flour
• 2 to 3 cups turkey broth, or you can also use chicken broth
• 1/4 cup cream, or you can also use Half & Half
• 1 cup frozen peas, do not need to thaw
• 2 teaspoons fresh chopped thyme
• Salt and pepper to taste
• sea salt, optional, for topping