S&L's Diner Duong Thanh is an American-style restaurant in Hanoi. It serves pulled pork fries, nachos, burgers, and shakes. The restaurant is open from 9 a.m. to midnight. From 10:30 a.m. to 2 p.m., it serves salad, burger, and drink sets, and the food is strongly seasoned, so ask for less salt.