In 2000, Nestlé (which owns Kit Kat in Japan) developed the first new flavor, strawberry, which became a smash hit. A few years later, the company brought on pastry chef Yasumasa Takagi to retain ...

A Japanese worker checks strawberry flavor Kit Kat bars in 2017. Behrouz Mehri/AFP/Getty Images. ... Over the past few decades, Kit Kat Japan has launched hundreds of flavors.