This quinoa casserole recipe is perfect for vegetarian and vegan kids (and adults) who love a cheesy taste and need to get their protein. Filled with quinoa and spinach, this is a healthy twist on traditional comfort food and southern-style baked macaroni and cheese casserole. If you need this recipe to be gluten-free, use cornstarch or gluten-free flour in place of the regular flour, since all of the other ingredients are wheat-and gluten-free. Like cooking with quinoa? If you like quinoa, you might want to branch out and try some other whole grains, too, such as kaniwa, millet, and teff Whole grains such as these are versatile, and, if you buy them in bulk, they're a bargain If you like quinoa already, here are some more healthy whole grains which you've got to try.