INDIANAPOLIS (CONSUMER REPORTS) — A store-bought rotisserie chicken can be a weeknight lifesaver. When everyone is hungry and cooking from scratch isn’t realistic, picking up a ready-to-eat chicken can make dinner as simple as adding a salad or a side of vegetables. But Consumer Reports says not all rotisserie chickens are the same.

Consumer Reports tested rotisserie chickens from 10 retailers, including Costco, Sam’s Club, Walmart, Whole Foods, Wegmans, and several other regional grocery stores. CR evaluated the chickens for taste and nutrition, and also tested both the packaging and the meat for chemicals associated with plastics, including phthalates and bisphenol A.

In CR’s tast...