Kouign amann is a butter pastry that is rich with a caramel like crust that can be both crunchy and chewy. If you’ve been to Bretagne in France, you will know that it is famous for butter, a key ingredient in this decadent sweet.
My favorite kouign amann in Tokyo is at Dominique Ansel Bakery in Omotesando. Another one that I like is this one from Maison Kayser, which has branches throughout the city, including at Shinjuku Takashimaya.
Try it, you’ll love it. Kouign amann is very popular in Tokyo, so check out any bakery you pass. Here it is in Japanese: クイニーアマン