Buckwheat groats which have been toasted in oil to improve and amplify the nutty flavor. This product is also referred to as kasha. Look for buckwheat products in your health food store. You can also make your own kasha by toasting buckwheat groats in a small amount of oil in a hot, heavy frying pan. Toast until lightly browned and aromatic.
Note: The image shows the raw buckwheat groats