A Houston couple turned a Food Town kiosk into one of the city's banh mi shops with affordable Vietnamese sandwiches.

Vietnamese cuisine offers an impressive range of tasty delights. While many of its dishes have become favorites abroad, when it comes to casual dishes, it's hard to top the popularity of the bánh mì.

Like a good summer movie, a great sandwich should be full of delightful familiar ingredients sparked with a few good surprises. And like a good plot, the sandwich should be built on a sturdy ...