Lucknow street vendor serves ‘garam matcha chai’ in a kulhad, internet loses it | Watch A street vendor in Lucknow has gone viral for serving “garam matcha chai” with a desi twist. After matcha cheesecake, matcha biryani, matcha dosa and a long list of other experiments, something new has surfaced. A viral video shows what’s being called “garam matcha chai”, and yes, it’s exactly what it sounds like. He calls it “garam matcha” chai, and the preparation looks familiar to anyone who has ever stood at a roadside tea stall. Watch the video below:Love it or hate it, Lucknow’s garam matcha chai has clearly struck a nerve.