Wasabi, known as the world's most expensive vegetable, captivates not only with its price but also with its unique taste.

All of these factors mean fake wasabi isn't going away any time soon. EDITOR'S NOTE: This video was originally published in January 2019. More from So Expensive Following is a transcript of the video.

After 5 minutes the spicy flavour peaks but leave it for 30 minutes and almost all the flavour is gone. All of these factors mean fake wasabi isn't going away any time soon.