1. Separate egg white and egg yolk. Cut ginger and green onion in small pieces. Slice shallot. Wipe dry and cut the side of pork chop. Use knife back to tenderize meat and cut pork chop in half. Marinate pork chop with marinade, put in egg white and wait for 30 minutes.
2. Heat the oil, pan fry pork chop and turn to mid-low heat. Pan fry another side of pork chop until turn to light colour.
3. Heat the oil, stir fry shallot, ginger and green onion. Put in 100ml of water and seasoning. Put in oyster sauce, dark soy sauce, sugar and Shao Xing wine. Put back pork chop in pan. Cover the lid and cook in mid-low heat for 8 minutes. Put in dark soy sauce, black pepper and salt. Thicken the sauce with cornstarch water.