Chicken Pot Pie
["3 celery stalks with leaves", "6 1/4 c. water, divided", "1 1/2 lb. chicken breast halves, skinned", "1 bay leaf", "1 1/2 tsp. salt, divided", "1/4 tsp. pepper", "1 1/2 c. cubed potato", "3/4 c. sliced carrot", "1/2 c. diced celery", "1/4 c. minced onion", "1/4 tsp. ground thyme", "1/4 tsp. pepper", "3 Tbsp. cornstarch", "1 c. all-purpose flour", "1/3 c. skim milk", "3 Tbsp. vegetable oil", "1 1/4 tsp. baking powder", "1/8 tsp. paprika"]
["Cut celery tops with leaves from stalks; reserve stalks for use in other recipes.", "Combine celery tops, 6 cups water, chicken, bay leaf, 1 teaspoon salt, and 1/4 teaspoon pepper in a Dutch oven. Cover and bring to a boil.", "Reduce heat; simmer 1 1/2 hours or until chicken is done.", "Remove chicken from broth, reserving 3 cups broth.", "Chill reserved broth.", "Bone chicken and cut into bite size pieces; set aside."]
["celery", "water", "chicken breast halves", "bay leaf", "salt", "pepper", "potato", "carrot", "celery", "onion", "ground thyme", "pepper", "cornstarch", "flour", "milk", "vegetable oil", "baking powder", "paprika"]