This is a prepared dish. The fish used is freshwater Qingjiang fish, which is a semi-finished product marinated in advance and belongs to prefabricated dishes. Seasoning bags and materials are made in factories and transported to stores. Yao's grilled fish with green pepper in Bantian, headquartered in Jinan, Shandong Province, is the brand's signature feature, accompanied by eight different flavors of grilled fish, such as spicy and sauced.