Place the water, lemon juice, onion, brown sugar, green onions, oil, salt, allspice, cinnamon, ground black pepper and cayenne pepper into a blender and puree until smooth. Pour 1/2 cup in a small bowl, cover and refrigerate, to use for basting.
2
Place pork in shallow glass or plastic dish. Pour remaining marinade over pork. Cover and refrigerate at least 12 hours but no longer than 24 hours.
3
Heat coals or gas grill. Remove pork from marinade; discard marinade. Cover and grill pork 4 to 5 inches from medium heat. Turn chops frequently and brush with reserved marinade. Cook until medium done (160 degrees F/71 degrees C) and slightly pink when cut near bone, about 8 to 11 minutes.
