(By Naomi Schanen, Washington Post)

Wasabi, green tea and sake aren’t just foods in Japan, they’re also a few of the many versions of KitKats offered in the country…

While the wafer-and-chocolate snacks have been available in more than 300 flavours here for more than four decades, recent offerings from custard pudding to ginger have made the nation the go-to destination for picking up odd variations. They’re so popular among tourists that Nestle is building its first KitKat factory in 26 years to meet booming demand.

It’s no surprise, then, that the archipelago boasts the world’s second-largest consumption of KitKats. Nestle Japan will start operating a second factory in the western city of Himeji from August dedicated to making upscale, pricier versions of the snack.

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Kit Kat MATCHA Have you tried them? They are so good! And with matcha it couldn't get better than that!

That’s probably a safe bet, thanks to Japan’s tourism boom

Spending by visitors surged to a record 2.5 trillion yen ($22.5 billion) in the six months through June, according to the Japan National Tourism Organization. They’re also spending more on confectionaries, with candy consumption more than tripling over the past four years to 131 billion yen in 2016, according to the Ministry of the Environment.

“We have KitKat back in Germany, but it’s not the same,” said backpacker Matt Borscak, 34. “The cultural touch makes it interesting. I bought a few packs of the wasabi ones, and I can’t wait to shock my friends.”

KitKat Chocolatory

A popular destination for fans of the snack is the KitKat Chocolatory in an underground shopping centre connected to Tokyo Station, where Nestle sells high-end flavours that can fetch more than 1,500 yen per package.

Boxes of gourmet seasonal flavours — raspberry and grapefruit — with some costing as much as 3,500 yen, or more than 10 times the cost of a regular bag of KitKats, are stacked across a counter, wrapped in gold paper. On Tuesday, Nestle Japan opened its renovated Chocolatory flagship store in Ginza, Tokyo’s main shopping district.

“We take pride in our unique flavours and I think that makes Japan special in the KitKat world,” Takuya Hiramatsu, a spokesman for Nestle Japan, said in a telephone interview, noting that the company offers 30 flavours now. He cited matcha as a favourite of tourists and locals alike, with visitors also snapping up flavours like wasabi, sake and purple yam.

Kitto katsu

While KitKat chocolates debuted in the United Kingdom in 1935 and are an enduringly popular snack in North America and Europe, consumers in Japan embraced them in part because the product’s name sounds like “kitto katsu,” or “sure win” in Japanese. That has made them a popular gift for people about to sit for an examination, or take on an important project. Packages adorned with phrases like “Do Your Best!” and “Believe in Yourself!” are popular during school entrance exam season.

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