To make this Homemade Old-Fashioned Swiss Steak gluten-free. Simply replace the all-purpose flour. With a gluten-free flour blend. Ensure that your beef broth. And stewed tomatoes are labeled gluten-free. As some store-bought varieties. May contain gluten. This small adjustment. Makes the dish perfect for those with gluten sensitivities. While still delivering the same delicious, comforting flavors.