Chicken Pot Pie
["3 stalks celery with leaves", "6 1/4 c. water, divided", "1 1/2 lb. chicken breasts", "1 bay leaf", "1/2 c. diced celery", "1/4 tsp. thyme", "3 Tbsp. cornstarch", "2/3 c. skim milk", "2 1/2 tsp. baking powder", "1 1/2 c. cubed potatoes", "3/4 c. sliced carrots", "1/4 c. onion", "2 c. flour", "6 Tbsp. oil", "1/8 tsp. paprika", "1 1/2 tsp. salt, divided", "1/4 tsp. pepper"]
["Cut celery leaves from stalks; reserve stalks.", "Combine tops in 6 cups water, chicken, bay leaf, 1 teaspoon salt, and pepper in Dutch oven.", "Cover and simmer 1 hour or until chicken is tender. Remove chicken; chill and cut in bite size pieces.", "Combine broth, potatoes, carrots, onions and celery; cook until tender.", "Dissolve cornstarch in 1/4 cup water.", "Stir into vegetable and broth mixture and cook until clear and thick.", "Stir in chicken.", "Put into 3-quart greased casserole.", "Combine flour, milk, oil and remaining salt.", "Stir and spoon into mounds over top of chicken mixture.", "Sprinkle with paprika.", "Bake at 450\u00b0 for 15 minutes."]
["stalks celery", "water", "chicken breasts", "bay leaf", "celery", "thyme", "cornstarch", "milk", "baking powder", "potatoes", "carrots", "onion", "flour", "oil", "paprika", "salt", "pepper"]