Boneless Pork Chops with Apple Chutney

olive oil

coarse salt, plus more for seasoning

freshly ground black pepper, plus more for seasoning

boneless center-cut pork chops (1 1/4 pounds), cut 3/4 inch thick

large onion, cut into 1/2-inch dice

green apples (such as Granny Smith), peeled, cored, and cut into 1/2-inch dice

cider vinegar

golden raisins

ground ginger

dry mustard

cayenne pepper