fusionfan wrote:In the Philippines, many people eat balut with rock salt sprinkled on top of the egg yolk. I don't know anyone who uses vinegar on it.

Yes, salting was the way I was taught (a few weeks ago), but vinegar is very popular in the Philippines (as I'm sure you know) and it would seem a good way to help the baby bird go down...that, and a frosty tumbler of bourbon.