@sortius Yes, but I still have this (the vessel on the left) sitting there from April 2025:
@ghost_shit you can always make a sorbet.
Jam is the usual thing, but I dislike jam, so I can't speak to that.
You could make a plum sour lambic beer (this is the first hit from someone making it) https://beermentor.me/2024/03/18/la-prugna-a-lambic-style-beer-with-plums/
The cherry sour I get at my local is quite nice, I could see plum working just as well
@sortius However many days later, and already the pH is sitting around 4-3.5.
@sortius Delicious straight out of the jar!