Spain's 'white gold' super-drink stefanopolitimarkovina/Getty Images Gluten-free, sweet and nutritionally dense, tiger nuts are being hailed as a rising "superfood". Alquería El Machistre Surrounded by tiger nut crops, the Alquería El Machistre is home to the Museum of Horchata and Tiger Nuts "Valencians have a sweet tooth," laughed Toni Peinado, co-owner at Horchatería Daniel, in whose second branch I was …
