To make this recipe gluten-free, replace the crescent rolls with a certified gluten-free crescent-style dough or gluten-free biscuit dough.
Verify that the breakfast sausage is labeled gluten-free, as some brands may contain fillers or seasoning blends with gluten.
Use shredded cheddar cheese that is certified gluten-free or free from gluten-containing anti-caking additives.
Prepare the casserole with clean utensils, cookware, and surfaces to prevent cross-contamination.
Bake according to the gluten-free dough package instructions if they differ from the original baking time.