EggplantPeel and score with knife cuts, fry the pieces until soft;Heat oil in another pot to fryDoubanjiangSoybean paste, stir-fry until fragrant then addGingerMinced garlic, addSugar,Soy sauce,Vinegar, clear broth, put in fried eggplant, reduce the sauce and thicken with water starch to finish.

For reference.