Speaking of famous sweets in Hita city, it is buckwheat buns.

Speaking of famous sweets in Hita city, it is buckwheat buns.
Buckwheat flour is used for buckwheat buns.
It is made by wrapping bean paste and steaming it on a dough made with buckwheat flour.
Outside skin is pretty, compatibility with bean paste is preeminent.
It is sold in a bite size, and you can buy it from about 100 yen per piece.
There are plenty of buckwheat noodle shops in Hita City, and some shops are open around 200 years ago.
Also, various kinds of buckwheat noodles are sold by each shop.
Why do not you try buying it as a souvenir?