Cut the pork loin into bite-sized pieces.
Slice the eggplant and onion into pieces easy to eat.
Heat cooking oil in a pan and stir-fry the pork.
When the pork is halfway cooked, add the eggplant and onion and stir-fry together.
Season with soy sauce, minced garlic, sugar, and black pepper.
Continue stir-frying until all the ingredients are cooked through.
Transfer to a plate and sprinkle with sesame seeds to finish.