Rosebay willowherb (FireWeed) or Ivan Chai. Ivan Chai is a delicious & caffeine free tea that is made from fermented rosebay willowherb.     This year for the first time I made this tea by myself. The first package of Ivan Chai I got from the family friends 2 years ago. Since that, I don’t have green tea … More Ivan Chai (Fermented Rosebay WillowHerb) recipe