To add a twist to this dish that can be enjoyed by everyone including those who pursue a gluten-free diet you can effortlessly construct this Sausage Egg McMuffin Casserole gluten-free without compromising on flavor or texture. Just substitute the muffins with your selected gluten-free variety that has a matching consistency to soak the egg mixture completely. Make sure to select a breakfast sausage that is tagged as gluten-free since some sausages may include fillers that contain gluten. By making these adjustments you'll have a casserole that not only caters, to everyone but also serves as a tasty centerpiece, for your breakfast or brunch assemblages.