While Kit Kat has been experimenting with a lot of different flavors, we'll always have a soft spot for Japan's Green Tea Kit Kat. What could be better than light, earthy green tea chocolate and crunchy wafer cookies? How about a GIANT version that's bigger than your face? Trust us, you haven't lived until you've broken off a piece of this Kit Kat bar! If you're dying for more chocolate goodness, you need to make these cookie-dough-filled Kit Kats.