Makes 6 half-pints Damson plums make famously dark, prunelike jam. This classic English preserve is reminiscent of dried fruit, with a concentrated and luxurious flavor. If you choose not to process ...

With dark blue, astringent skins, and dry, sour flesh, the ancient plums called damsons aren’t good for eating fresh. When submitted to a process akin to alchemy, however, their tartness and spiciness ...