Besides sweet-sour fish sauce, you can dip it in mắm ruột, a sauce fermented from tuna and mackerel innards.
Thin, soft steamed rice sheets served on small plates with scallion oil, fried shallots and Vietnamese pork sausage, eaten with bean sprouts, green mango and a dipping sauce.
Why it's made this way: From Diên Khánh, just inland from Nha Trang, where a row of bánh ướt shops lines National Highway 1 through the town.