Authentic Hole In the Wall.
They don't mess around at this place with the size of their bowls of pho and most of them are loaded with the essentials: bean sprouts, green onions, etc. The service is quick and prompt but a major downside is how small the place is. The last time I had dined there with a group we were scrunched together for a small table for 2 which became our table for 4. Other tables were only arms lengths away which made the place more crowded than it should've been. The prices are inexpensive as with most Viet places, except this is a cash only establishment.