Beijing Zha Jiang Mian is a traditional Chinese dish that features thick wheat noodles served in a savory, rich sauce made from soybean paste, pork or beef mince, and various vegetables. It is commonly garnished with sliced cucumber, scallions, and sometimes bean sprouts. The dish has a strong umami flavor and a satisfying texture due to the combination of the chewy noodles and chunky sauce. It is a popular street food that can be found in many restaurants and food stalls in Beijing and other parts of China.