A carton for use in microwave ovens includes a base and a removable cover. The base has a cooking surface at least partially covered with a microwave susceptor material. The base defines an aperture arrangement. In preferred embodiments, the carton is triangular-shaped with an apex region. The apex region does not have a susceptor material, and can include a microwave shield. The removable cover can function as a cover, a platform, and a tray. A packaged food product includes a food product, such as a slice of pizza, oriented within the carton. Methods of packaging and use are provided.