Karintō

Karintō ) is a traditional Japanese snack food. Sweet and deep-fried, it is made primarily of flour, yeast, and brown sugar. It has a deep brown and pitted appearance, and takes the form of a bite-sized pillow or short cylinder. Although traditional karintō is coated with brown sugar, other variations now appear on the market, such as white sugar, sesame seeds, miso, or peanuts. Karintō's roots are unclear, with primary origination theories being either from around the Nara Period or being derived from a Portuguese snack in a later period. In either case it has been available from street merchants since at least the Tenpō era, roughly from 1830 to 1841.

Source: Wikipedia