Ko ol o is a famous Han noodle snack in Shanxi, Hebei alpine region, central Inner Mongolia and other Jin-speaking areas, which belongs to the northwest staple food. In northern Shanxi, it is called "steamed bread", which refers to a container made of wicker and shaped like a bucket. Also known as "basket battle". "Lollipop" is a kind of pasta made of oat flour, which is called "lollipop" by the people because of its shape like a basket. It is a circular frame made of bamboo or wicker, with the same thickness from top to bottom. It is shaped like a barrel. It is a tool specially used by farmers to draw water or load things, so it is named after it looks like a basket. Oil noodles are one of the top ten pasta in Shanxi. Among them, the most typical practice in Xinzhou is to add twice as much boiling water or cold water to oat flour, push one on a smooth surface with your palm and roll one with your index finger to make it into a tube like a cat's ear, slender as a leaf and yellowish in color. It's over, standing side by side in a cage like a hive. Then steamed like steamed bread, it smells delicious when cooked. When eaten, it is mixed with mutton or mushroom soup, which makes people salivate, has a big appetite, and tastes fragrant and memorable. Oil noodles are full of delicious food, exquisite workmanship, beautiful shape and rich flavor. Coupled with the "mutton soup with minced meat and mushrooms, a family eats ten flavors", it became an out-and-out delicacy, and even Emperor Kangxi regarded it as a great pleasure in life when he worshipped Wutai Mountain.