On Sunday, March 2, 2014 3:18:43 PM UTC+10, John J wrote:
>
> Sambal oelek is pickled? It shouldn't contain vinegar.

Lots of them do. The Huy Fong Sambal Oeloek, IIRC, has vinegar. It a good value for quality brand here; some of the Dutch brands might be better, but cost more.

If not vinegar pickled, then salt pickled.