What is a Negi?
Negi (ネギ, ねぎ), sometimes called Naga Negi (long onion 長ネギ), Shiro Negi (white onion 白ネギ), or Tokyo Negi (東京ネギ), is the Japanese name for Allium fistulosum (Welsh onion). ... Substitute: Leeks can be used for similar texture, but scallions/green onions should be added for the similar taste of negi.