Ryo Iwa– Author –
Ryo Iwa is the founder and editor of foodinjapan.org. Born and raised in Japan, he writes from regional travel, market visits, and Japanese-language primary sources that rarely reach English readers, including brewing institute publications and industry glossaries. Where a figure cannot be traced to a source, the article says so.
He has been a Google Maps Local Guide for over 10 years, with more than 1,800 reviews and over 41,000 photos viewed hundreds of millions of times. He previously spent two decades as an IT consultant in Japan, the US, and the UK.
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History
Contemporary Sake in Japan: Craft, Globalization, and a Living Tradition
In 2025, Japan exported about 45.9 billion yen of sake to a record 81 countries and regions. Meanwhile, the country's own sake drinkers kept buying less, as they have almost every year since 1973. Contemporary sake is the story of how th... -
Drinking
How to Read a Japanese Sake Label: A Beginner’s Guide
You pick up a bottle in a Japanese liquor shop and turn it around. On the back, you find a column of kanji and numbers: Junmai Ginjo, 55%, 15%, Yamada Nishiki, +3. So learning how to read a sake label means spotting which clues matter, a... -
Fukushima
Kōyō-zuke (紅葉漬)
Kōyō-zuke (紅葉漬), also written koyo-zuke or koyozuke, is a ready-to-eat fermented salmon specialty from northern Fukushima Prefecture. Producers make it by curing and maturing salmon with rice koji and salt. The result is salty and sav... -
Ibaraki
Beniazuma Sweet Potato (紅あずま)
On a cold evening in Tokyo, the aroma of yaki imo, Japan's roasted sweet potato, still drifts through shopping streets. Today, many vendors favor moist, intensely sweet cultivars, but Beniazuma once defined the classic fluffy style acros... -
Article
Asakusa Sweet Potato Food Guide: Yakiimo, Daigaku Imo, Imo Yokan and More
Walk a few blocks from Kaminarimon Gate in Asakusa, and you start to notice a pattern. One shop sells candied sweet potatoes, and the next sells sweet potato bars. A third, meanwhile, grills little sweet potato cakes. The Asakusa sweet p... -
Akita
Thank You Melon (サンキューメロン)
Japan's most famous gift melons wear a fine white net. Thank You Melon (サンキューメロン) does not. Instead, this pale, smooth-skinned melon with green flesh grows only in the Hachiryu district of Mitane Town. That district lies on the S... -
Iwate
Fukuda Pan (福田パン)
Fukuda Pan (福田パン) is not known for croissants or elaborate pastries. Instead, this family-run bakery in Morioka, the capital of Iwate Prefecture in northern Japan, specializes in one oversized style of coppe pan. It has been in busin... -
History
Modern Sake History: War, Mass Production, and the Ginjo Revival
In fiscal 1973, Japan's breweries shipped about 1.77 million kiloliters of sake, more than in any year before or since. Fifty years later, the figure was under 400,000. Modern sake is the story of how Japan got from one number to the oth... -
Iwate
Iwaizumi Tankaku Beef (岩泉短角牛)
Say “Wagyu” to many travelers, and they picture beef so marbled it looks almost white. Iwaizumi Tankaku Beef (岩泉短角牛) tells a different story. The beef comes from Japanese Shorthorn cattle raised in Iwaizumi, Iwate Prefecture. It sta... -
History
Nara and Heian Sake: Court Brewing and History
Beneath the grass of the Heijo Palace site in Nara, archaeologists uncovered a well surrounded by hexagonal stone paving. Nearby lay wooden pipes, the sockets of large ceramic jars, and wooden tablets carrying notes about brewing. These ...
