Chicken Pot Pie
["1 onion, chopped", "3 stalks celery, chopped", "2 Tbsp. oil", "10 to 12 oz. bag frozen mixed vegetables", "1 can cream of chicken soup", "1 can chicken gravy", "1/2 c. milk", "8 to 10 Tbsp. flour", "3 c. chicken, chopped", "salt and pepper to taste", "uncooked pie shell"]
["Saute onion and celery in oil.", "Add remaining ingredients. Pour into pie shell.", "Put on top crust.", "Moisten bottom crust around edges to seal.", "Prick with fork.", "Bake at 350\u00b0 for about 45 minutes."]
["onion", "stalks celery", "oil", "mixed vegetables", "cream of chicken soup", "chicken gravy", "milk", "flour", "chicken", "salt", "pie shell"]