Sake has been brewed in Japan for thousands of years. The most expensive kind, made with polished grains of rice, is called junmai daiginjo. One bottle can easily cost over $100. And the more the rice is polished, the more expensive the sake. Niizawa Brewery, in Japan's Miyagi Prefecture, brews sake with rice polished to less than 1% of its original size. The most expensive bottles of this sake cost almost $10,000. We followed a master sake brewer to find out how sake is made and why some bottles can be so expensive. Chapters Intro 0:00 One of Japan’s youngest brewmasters 0:40 Starting work at 5 a.m. 1:22 Rice polishing 2:37 Washing rice 3:45 Steaming rice 5:00 Promoting Nanami to brewmaster 5:48 Sake rice 6:47 Koji mold 8:23 Fermentation 10:06 Tasting sake 12:21 Niizawa brewery history 15:23 MORE SO EXPENSIVE FOOD VIDEOS: So Expensive Food Season 2 Marathon | So Expensive Food | Insider Business youtu.be/AkOkPs555kQ Why Royal Jelly is So Expensive | So Expensive Food | Insid...