There are precious few options for evening dining in Phong To, with the town virtually shutting down after dark (apart from the post office of course). Bear in mind that there is no street lighting so take a torch.
If you head away from the Lan Anh II towards Lai Chau, there's a goat hot-pot restaurant on the left called Trong Bang Restaurant that's good for a group meal in the evening. It's in an atmospheric, old, wooden shack. Whole fried chickens are also on offer. Turn left out of the Lan Anh II and then shortly left again over the bridge.
A kilometre in the other direction, across from the Hoang Lan Hotel, com and pho can be eaten at Quan Moi with drinks available next door at Hang Thuong.
Hang Thuong Cafe: Across from the Hoang Lan Hotel, Phong To. T: (0231) 321 8626. Hours: 07:00 to 22:00.
Trong Bang Restaurant: East of the Lan Anh II over the river, Phong To. T: (0231) 389 6361. Hours: 10:00 to 20:00.