Quote:
Originally Posted by Fire Me Boy!
I can't think of any scientific reason he'd use vinegar other than vinegar's boiling point is higher. So if he wanted the grill at 250, that's about the point the vinegar would boil.
It could have been a flavor thing. A quick Google search pulled up a number of recipes for finishing eggs with a vinegar/butter sauce.

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That might be it.. He did it on a dry grill (pre-oiling), so that might be it. Either way, his sunny side up eggs were awesome.