Nguyễn Thúc Thùy Tiên showcased it in a street-food video for the 2021 Miss Grand International pageant, which she went on to win.
Strips of rice paper are tossed by hand with green mango, dried beef or squid, dried shrimp, quail eggs, roasted peanuts, fried shallots, and a tangy tamarind dressing, all mixed to order in a plastic bag right before it's handed over. Vendors set up carts outside Saigon schools and universities where it's sold as an after-class ritual.