To give this Chicken Stuffing Casserole a variation make sure to use ingredients that are certified gluten-free. You can. Choose a stuffing mix that is specifically gluten-free or make your own homemade gluten-free stuffing using your preferred type of bread. It's important to check the labels, on the cream of chicken soup to ensure it doesn't contain any gluten or alternatively you can prepare your condensed soup that is gluten-free. By making these adjustments you'll be able to savor every bite of this comforting casserole while also accommodating those who are sensitive to gluten.