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pavement food, food in the restaurant is expensive and not tastier / cleaner than pavement food, the Hanoian often eat in the sidewalk.
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The best traditional dishes are: noodles, pancakes, sliced bread, pate bread, ... should pay the price before buying.

garrykings06677532
2
friendly_checkingirl
If lots of locals are buying then it's a good sign the food is good.
Take note of what the people in front of your are paying and offer the same bill. If you come across as a clueless foreigner you may be charged far too much.
3
bigal1
If you come across as a clueless foreigner you may be charged far too much.
as I think our friend forum 2233 found out!
Pro tip