That sounds similar to Puerto Rican pique Supposedly you can just top up the vinegar once it starts to get low https://en.wikipedia.org/wiki/Pique_sauce https

That sounds similar to Puerto Rican pique Supposedly you can just top up the vinegar once it starts to get low https://en.wikipedia.org/wiki/Pique_sauce https://en.wikipedia.org/wiki/Pique_sauce