In Spain, horchata comes from chufa, a tuber packed with nutrients like fiber and iron. And while chufa (tiger nuts in English) have gained fame as a superfood in recent years, Valencians have been using these tasty tubers since the 12th Century to make their emblematic "white gold' super-drink" that is also dairy and gluten-free. Learn more https://bbc.in/3vVbOts