Bánh Bao is a type of Vietnamese steamed bun that is often filled with a mixture of ground pork, mushrooms, onions, and other seasonings. These buns are slightly larger in size compared to other steamed buns and have a fluffy texture. Bánh Bao is a popular street food in Vietnam and is often enjoyed as a breakfast or snack option. The combination of the flavorful filling and soft bun makes Bánh Bao a delicious and satisfying treat.