Chicago Dog Deep Dish pizzas are served during an event by Lou Malnati’s and Portillo’s to celebrate National Hot Dog Day, July 16, 2025, at the Lou Malnati’s in the Gold Coast neighborhood ...

Lou Malnati's and Portillo's are teaming up to launch a uniquely Chicago creation: the Chicago Dog Deep Dish Pizza.

Chicago is known for its dynamic food scene -- here's a breakdown of some amazing food chains that came right out of the windy city.

Mustard on deep dish? Bizarre. Does it work? Apparently, yes, according to the good folks at Portillo’s and Lou Malnati’s Pizzeria.

Lou Malnati’s collaborated with Portillo’s in developing this combination of two Chicago delicacies. Our CBS News Chicago team gave it a taste test.

The limited time deep dish pizza contains all the seven toppings on a Chicago-style hot dog -- and we tried it.

Two Chicago culinary icons, Lou Malnati’s and Portillo’s, have teamed up to serve Chicago-style hot dog deep-dish pizzas to the masses.

West Ham United enjoyed a slice of Chicago’s world-famous deep-dish pizza at Lou Malnati’s Pizzeria in the heart of the Windy City.

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