The British man is on a mission to find the best flat white in the world. 'Flat White Frank' spent his 20s living in London, working in various coffee aligned gigs - as a barista, at a roastery and for a big coffee machine company. "Some people online are reviewing Guinness, they're reviewing beer, they're reviewing wine, they're reviewing food ... no one's doing coffee," he said. Photo: Serena Solomon / RNZ / Flat White Frank / InstagramNearly 18,000 people follow 'Flat White Frank' on Instagram, with another 12,000 or so on TikTok. 'Flat White Frank' explains: "To my knowledge - and I think you guys agree - but it's apparently a little bit different in Australia.