Zest and juice the lemon. Mix the lemon juice and zest together with everything but the pork in a zip top freezer bag. Add the pork and toss to coat. Place in refrigerator for 6 to 8 hours.
Bring grill pan to a medium-high heat. Allow pork loin chops to come to room temperature as the pan heats. Place the pork loin chops on the grill for about 6 to 8 minutes per side or until the internal temperature reaches 145 degrees. Remove from grill and allow to rest for 5 minutes before slicing.