Everyone knows Saigon is full of great food. But there’s one corner in District 1, where you can eat three excellent meals – breakfast, lunch and dinner – in three excellent establishments, all within a few metres of each other: I call it the Food Triangle….

Everyone knows who Saigon’s Lunch Lady is, right? Well, probably not this one. Ms Nga is 43 years old. She serves a different soup each day of the week, from her cramped, ramshackle soup stall. Originally from Thai Binh (a northern province famous for producing excellent cooks), she moved to Saigon in the mid-90s…

The Lunch Lady in Saigon is famous for serving a different soup every day of the week. Here’s her weekly menu, illustrated with tantalizing images of each of the dishes…