Texan Ike Sewell founded Uno in 1943, and it has been operating out of the building at 29 E. Ohio St. since. Pizzeria Due opened in 1955 a block away at 619 N. Wabash Ave.

In the 1950s, Sewell purchased a second building to keep growing his pizza business. Today, his restaurants sit in two Victorian mansions standing amongst the skyscrapers of downtown Chicago.

But the key ingredient at Pizzeria Uno is the chunky tomato sauce. “I don’t know the science behind it, but that’s the key based on flavor,” he said. Then it’s into the oven for about 45 ...

Tourists may flock to Chicago to try authentic, Bisquick-esque Chicago deep dish pizza, which Pizzeria Uno owner Ike Sewell invented in 1943, but there are a score of other foods that originated ...

Tori Allen has been part of the restaurant world for more than 14 years, working in Atlanta, Buffalo, Chicago, D.C., Denver, and Los Angeles. She's a proud Buffalo native and current Chicago resident.

Dellamarggio told Wicked Local earlier this year that Uno Pizzeria’s deep dish pizza was invented by company founders Ike Sewell and Ric Riccardi in Chicago in 1943. They opened the first Uno ...