Freezer Chicken Pot Pies

Ingredients

• 1½ pounds boneless, skinless chicken breasts
• 2 tablespoons vegetable oil
• 5 ½ cups low-sodium chicken broth
• 2 tablespoon unsalted butter
• 1 medium onion, chopped fine
• 3 medium carrots, peeled and chopped
• 1 celery rib, chopped fine
• ½ cup all-purpose flour
• ¼ cup milk
• 2 teaspoons minced fresh thyme leaves
• 2 tablespoons lemon juice
• 2 (15-ounce) boxes pillsbury ready to roll pie crust
• 1 large egg, plus one large egg, beaten, for baking
• 1½ cups frozen peas