How to prepare a chicken stew
1 Combine chicken, mushrooms, onion, carrots and stock in a large saucepan over medium heat. 2  Simmer until carrots are tender, about 10 minutes. 3  Stir in sage, basil, garlic salt, parsley, mixed vegetables, potatoes and celery and cook until heated through. 4  Stir in flour to thicken sauce, then serve.