Dahongmen Food Street and other places. There are places where Dahongmen Stewed Diaozi is located: Dahongmen Food Street, King of Stewed Diaozi in Old Beijing and Majiagou Stewed Diaozi. Stewed Diaozi in Dahongmen is a traditional dish with Beijing flavor. The main raw material is crucian carp, which is stewed with tofu, mushrooms, celery and other ingredients. It is delicious and nutritious.