Pork Tenderloin without broth figs

1 pork tenderloin salt and ground black pepper to taste 1 tablespoon olive oil 1 1/2 plums, pitted and chopped 2 tablespoons balsamic vinegar 1 tablespoon[...]

1 lb Italian plums or 1 lb black plums (4-6 plums) or 1 lb red plum , pitted and cut into sixths (4-6 plums) 2 sprigs fresh rosemary , plus more for garnish[...]