The phrase identifies superior examples of a specific regional pizza style available for remote purchase and delivery. It denotes a confluence of quality, authenticity to the Chicago culinary tradition, and the logistical capacity to transport a perishable food item effectively across geographical distances. A consumer, for instance, might utilize the term when researching online vendors offering deep-dish pizza for home delivery.
The ability to acquire this culinary specialty through mail order offers several advantages. It allows individuals outside of the Chicago metropolitan area to experience an authentic regional food item. Historically, access to such dishes was limited by geographical proximity. Furthermore, it provides a convenient alternative to preparing the complex dish from scratch, saving time and effort.