The History of Chicago Deep Dish Pizza

Chicago deep dish pizza was born in the early 1940s, when a group of restaurateurs set out to create a pizza unlike anything else in America.

At the time, most pizzas in the United States were thin, simple, and influenced heavily by Italian street food traditions.

Chicago’s version would be different.

The Birth of Deep Dish

Deep dish pizza is widely credited to Pizzeria Uno, which opened in downtown Chicago in 1943.

The founders experimented with baking pizza in deep steel pans normally used for baking pies. By building tall crust walls and layering ingredients inside, they created a pizza that was richer, heartier, and uniquely suited to Chicago’s appetite.

The style caught on quickly.

Soon, deep dish pizza began spreading throughout the city.

A Chicago Tradition

Over the decades, deep dish became a defining food of Chicago. Restaurants across the city began developing their own versions of the style, each with subtle differences in crust, cheese, and sauce.

Today, Chicago deep dish remains a culinary symbol of the city—served everywhere from neighborhood pizzerias to famous institutions.

Why Deep Dish Endures

More than 80 years after its invention, Chicago deep dish remains beloved for one simple reason:

It’s unapologetically bold.

It’s messy.
It’s rich.
And it’s unmistakably Chicago.