Reasons to our Gluten Free Teff: Non-GMO Project verified; nongmoproject.org; Gluten free; kosher. Tested and confirmed Gluten Free in our quality control laboratory. An employee-owned company. To your good health - Bob Moore. Grains-of-discovery. Bob's Red Mill passport to whole grain adventure. Circa. 5000 B.C. The traditional grain of Ethiopia. A traditional Ethiopian staple for thousands of years. Mild flavored and excellent in porridge or stew. Good source of iron. Dear Friends, At Bob's Red Mill, we're always in search of new whole grain adventures, and heirloom grains like teff are more popular than ever. This East African cereal grass originated in Ethiopia thousands of years ago and is the smallest grain in the world. Today, these super grains are prized for the delicious flavor and texture they add to salads, side dishes, entrees and baked goods.