- Whisk together ingredients for marinade in a small bowl. Reserve ¼ cup for brushing on the peaches.
- Place pork chops in a large shallow dish and pour the other ¾ marinade on top. Cover and refrigerate 2-4 hours.
- Heat gas grill to 450ºF over direct heat. Remove pork chops from marinade and discard marinade. Sear pork chops for 3 minutes on each side. Lower heat to 350ºF and continue to grill for 6-7 minutes depending on how thick your pork chops are. Place on a serving tray and rest while cooking peaches.
- Brush the cut side of peaches with reserved marinade and place on the hot grill. Cook for 5-6 minutes. Serve grilled peaches alongside pork chops.