Real. Est. 1972. Famous butter crust. Microwaveable. Experience the great taste of a pizzeria pizza. Right out of your own oven! Hailing from Chicago, home of great people and great pizza, Reggio's Pizza has been providing its world famous butter crust pizza to customers across the U.S. for over 40 years. Reggio's started in 1972 as a single, family-owned pizzeria in Chicago. The pizza became so popular that customers started asking if they could have Reggio's frozen variety to take home and cook at their convenience. Hence, Reggio's frozen pizza was born. Please recycle.