01 -
Combine vegetable oil, Worcestershire sauce, soy sauce, lemon juice, brown sugar, garlic powder, and ground black pepper in a mixing bowl. Whisk thoroughly until the mixture is homogeneous.
02 -
Place pork chops in a shallow dish or sealable plastic bag. Pour marinade over pork chops, ensuring complete coverage. Cover or seal and refrigerate for at least 2 hours, preferably overnight.
03 -
Warm a saucepan over medium heat. Add cracked black peppercorns and toast for approximately 1½ minutes to release aroma.
04 -
Add butter to the saucepan and melt completely. Pour in red wine, allowing alcohol to cook off for 2 to 3 minutes. Stir in brown gravy and simmer gently, stirring until fully blended and heated through. Keep warm on low heat.
05 -
Preheat grill to medium-high heat (190-200°C). Clean and lightly oil grates to prevent sticking.
06 -
Remove pork chops from marinade, allowing excess to drain. Lightly season both sides with salt. Discard used marinade.
07 -
Place pork chops on preheated grill. Cook for 4 to 5 minutes per side until internal temperature reaches 63°C for medium doneness.
08 -
Transfer cooked pork chops to a plate, tent with foil, and allow to rest for 5 minutes to retain juices.
09 -
Arrange rested pork chops on serving plates. Spoon warm peppercorn sauce over each chop and serve with preferred accompaniments.