Easy Skillet Chicken Pot Pie

Name: Easy Skillet Chicken Pot Pie
Cook time: 45 min
Total time: 45 min
Cuisine: American
Ingredients: 4 cups PERDUE® Oven Ready Whole Seasoned Roaster (6 lbs.); 2 tbsp. butter or olive oil; 2 medium carrots, thinly sliced (1 1/2 cups); 2 celery stalks, sliced (3/4 cup); 1 medium potato, cut in 1/2 inch cubes, (1 3/4 cups); 1/2 cup chopped onion; 3/4 tsp. dried thyme, or 1 1/2 tsp. fresh; 2 tbsp. all-purpose flour; 1 can (14.5 oz.) reduced sodium chicken broth; 1/2 cup frozen peas; 1 sheet (about 8 oz.) frozen puff pastry, thawed; 1 egg, beaten with 2 tsp. water; Salt and pepper, to taste