It is made from French baguette by a confectionery in Gumma prefecture. In Tokyo, it is available only at a few department stores. The crunchy sugar-coated pieces of breads attract a lot of people across Japan, although it is quite simple snack and is nothing new. One of the most popular gift. It is so popular that the shop are not able to respond to coming orders during Christmas season.
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Shop name: Gateau Festa Harada
Address: B1 floor Matsuya Ginza Department store 3-6-1 Ginza, Chuo-ku, Tokyo