As a result, since the early 2000s Japan has unleashed more than 300 different flavours, featuring everything from matcha green tea to sweet potato, melon, and even wasabi. Mimi Yates tries out a range of Japanese KitKats - but which one is the yummiest? Platforms such as TikTok and Instagram are flooded with taste-test videos of exotic KitKats sourced from Japanese import stores or online retailers. Chocolate orangeWhile this tasted very similar to a Terry’s Chocolate Orange, it was not quite as nice. Then I bit into it and found it tasted too milky and left a bit of a claggy aftertaste.