To make this Chicken Noodle Casserole gluten-free. You'll need to make a few simple substitutions. First, swap out the egg noodles. For your favorite gluten-free pasta. Many options are available. Such as rice-based or corn-based noodles. That holds up well in casseroles. Be sure to use gluten-free cream of chicken soup. Which can often be found in specialty grocery stores. Or made at home. Using gluten-free flour as a thickener. Finally, double-check that your ranch dressing mix and Fritos are gluten-free. As some brands may contain gluten. With these adjustments. You can enjoy a delicious, gluten-free version of this classic comfort dish. Without compromising flavor or texture.