Pizzeria Uno’s Origin: Chicago's first deep dish pizza was created in 1943 at Pizzeria Uno.

Invented by Ike Sewell: Texan Ike Sewell designed deep dish pizza to be filling and unique.

Thick, High Crust: The pizza features a thick, buttery crust that holds layers of cheese and toppings.

Tomato Sauce On Top: Deep dish pizza is topped with a layer of sauce over cheese and toppings.

A Chicago Staple: Deep dish pizza became a symbol of Chicago’s culinary identity.

Secret Recipe: Pizzeria Uno guarded its sauce and dough recipes for years.

Signature Layers: Deep dish pizza is layered with cheese, toppings, sauce, and more cheese.

Cultural Debate: Chicagoans argue about which pizzeria makes the best deep dish.

National Expansion: Pizzeria Uno grew from a single location into a national chain.