I peeled the peaches. I didn't peel the nectarines or plums.
Plums, nectarines, and peaches. Sugared, and mixed with some Minute® tapioca.
With the crisp topping, just before popping it into a hot oven.
I always bake these on a foil-lined baking sheet -- they invariably bubble over.
For the recipe, look at my previous post: Fruit crisp Just substitute the stone fruits for the apricots and bloobs.