A mixed seafood item is a dish that combines two or more types of seafood. A popular example of this is scallops, which are a type of shellfish with a sweet, delicate flavor. Scallops are usually served either grilled, fried, or steamed, and can be used in a variety of dishes. They are a popular ingredient in soups, salads, and pasta dishes, as well as being served as an appetizer or main course.