Combine marinade ingredients in a small non-metallic bowl.
Place pork chops into a resealable plastic bag or an airtight container with a lid (glass or plastic) large enough to hold four pork chops. Pour marinade mixture over top and toss to coat. Seal bag or secure lid onto the dish. Marinate chops in the refrigerator for 4-6 hours.
Preheat grill for medium heat.
Remove container with chops from the refrigerator. Let stand at room temperature for 8 minutes.
Place chops onto a grill grate, close lid and cook for 10 minutes. Turn chops and cook for an additional 8, or until the internal temperature of the meat reaches desired doneness. Please note that 145 degrees F. is medium-rare, 150 degrees F. is medium, and 155 degrees F. is medium-well.
Once cooked, remove chops from the grill and place onto a clean platter or cutting board. Top with chopped cilantro if desired and serve.