And despite having pickled my fair share of fruits—strawberries and cherry tomatoes being a couple favorites—I hadn’t yet heard of pickled avocados. Finally, a way to use up extremely unripe avocados instead of sitting around waiting for them to soften! Three small to medium avocados filled two pint jars (each jar fit one and a half avocados). How to Serve Pickled AvocadoI mostly found myself eating the pickled avocado out of the jar with a fork. How long will pickled avocados last?