In episode four of Eating History, hosts Adrienne Cheatham and Stephen Bailey dive into one of pizza’s greatest debates: how did America’s regional pizza styles emerge, and why do people defend them so fiercely? From wartime Chicago to the factories of Detroit, they explore the innovators who transformed pizza from an immigrant tradition into a distinctly American phenomenon.

Topics Covered:

• The origins of Chicago deep dish pizza

• The partnership that launched Pizzeria Uno

• How deep dish challenged conventional ideas of what pizza could be

• The key differences between Chicago and New York pizza

• The rise of Detroit-style pizza and its automotive roots

• Regional pizza identities and rivalries across America

• The growth of pizza franchising and commercialization

• The tension between preserving tradition and expanding access

From deep dish pioneers to Detroit innovators, this episode uncovers the personalities, business decisions, and cultural forces that helped shape America's pizza landscape, and sparked debates that are still raging today.