Popsugar Living Food Reviews The Best Kit Kat Flavors 16 of the Best (and Weirdest) Kit Kat Flavors in the World Ranked January 18, 2020 by Anna Monette Roberts View On One Page Photo 16 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Japanese Kit Kat Matcha Green Tea Japanese Kit Kat Matcha Green Tea ($6) is the second most popular Kit Kat flavor, following the original milk chocolate flavor. Japanese Kit Kat Matcha Green Tea $6 from amazon.com Buy Now Previous Next Start Slideshow Food ReviewsFood ShoppingKit Kat