If you spend a day wandering through the narrow alleys and hidden corners of Hanoi’s Old Quarter, you’ll discover countless street vendors, small shops, and middle-aged women carrying baskets full of Banh Mi — Vietnam’s famous baguette sandwich. More than just a humble breakfast staple for locals, Banh Mi has earned international acclaim as one of the top 10 best sandwiches in the world, attracting food lovers and travelers from every corner of the globe.