The scientific name of sand onion is Mongolian leek, and it is widely distributed in Gansu. All kinds of dishes made with sand onion are also a taste that Jiayuguan people can't give up. Fresh shallots taste crisp and tender, and they are delicious when fried or fried with meat or eggs. Locals also pickle or dry them so that they can be eaten in seasons when fresh shallots are not available.