Good Eats Teff Brown Flour comes from a gluten free ancient grain that originated in Ethiopia. Teff Flour is a pleasingly light, uniquely flavored, 100% whole grain flour. It is a good source of iron and an excellent source of fiber. Teff flour is delicious in homemade breads, cookies, cakes, cereals, pancakes, pastries, or as a thickener in soups and gravy.