Abe -
I'm killing time at work, so I can't just go check Dianna Kennedy & Rick Bayless for the best answers. A quick rummage around the net reveals that the pickled jalepenos, et al., are called an escabeche, specifically chilies en escabeche [there are prepartions of fish and chicken that seem to originate in Spain this recipe appears to be related to].
Examples of the recipe can be found
here,here, and
here.
Happy heartburn!
Giovanna
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"Enjoy every sandwich."
-Warren Zevon