Bánh Mì Gác Bếp is a small shop near the Hanoi train tracks selling vegan bánh mì and pork roll bánh mì. The special bánh mì has a savory filling and bread that breaks apart crisply, and vegan options with egg and vegetables are also available. You can sit at Zero3 cafe next door to eat, and on request the bánh mì is cut in half and packed separately for takeout. The ordering style has staff check in English for spice level and cilantro.