Friends, it’s officially stone fruit season. Bring on all the peaches, nectarines, apricots, cherries, and — for our purposes today — plums! I love baking with stone fruits. They lend themselves so well to pies, cakes, bars, and jam (which isn’t really baking I guess, but baking-adjacent). Stone fruits have a decent amount of firmness to them, but when you bake them, they sort of melt and go all soft and jammy. Yum. Before I baked with plums for the first time (years ago now…in a pie, I believe), I had enjoyed snacking on them but never thought of putting them into baked treats. But once I tasted them baked…