If you've been exploring the aisles of a Japanese grocery store or looking at bento recipes, you've probably encountered furikake already. Commercial furikake usually comes in small foil packets or glass jars, in all kinds of salty flavors. Furikake is a dry or semi-dry condiment that is sprinkled on, or mixed into, rice. David Rosengarten, ex-Food Network host and gourmet food expert, declares it to be a miracle in a jar.