What is "jianbing"?

Jianbing is a popular Chinese street food that features a thin crepe made from a mixture of wheat and mung bean flour, which is then filled with a variety of ingredients such as eggs, scallions, cilantro, and a crispy fried dough stick. The crepe is typically spread with a sweet and savory sauce made from hoisin sauce, soy sauce, and chili paste, which adds a tangy and spicy flavor to the dish. The ingredients are then folded together and served hot, often with additional toppings such as pickled vegetables or sesame seeds. It can be customized to suit different tastes and dietary preferences and is often sold by street vendors.