Cut and clean the eggplant pieces. Drain them of the water and dry them completely.
Next, add all purpose flour to the eggplant and coat them properly. Keep aside.
Heat 2 tbsps oil in a pan. Add in the coated eggplant and stir and saute for 7-10 minutes or until the eggplants are completely cooked. Keep them aside.
In a small bowl, mix together light soy sauce, dark soy sauce, oyster sauce, apple cider vinegar, salt, black pepper powder, and corn flour. Mix well. Keep aside.
Heat oil in a pan. Add in the garlic, green chilies, and sesame seeds. Saute and stir.
Next, add in the prepared sauce and mix well. Let it come to a simmer.
Add in the sauteed eggplant next and mix well.
Serve hot after garnishing with chopped spring onions.