Portillo’s is known for its Chicago-style hot dogs and Italian beef sandwiches. The hot dogs are served on steamed poppy seed buns and topped with mustard, bright green relish, onions, tomato ...

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Portillo's opened its first hot dog stand in 1963 in Villa Park, Illinois. Now the company is opening 12 new locations in 2025.

Portillo's opened its first hot dog stand in 1963 in Villa Park, Illinois. Now the company is opening 12 new locations in 2025.

With Portillo’s, whose sole O.C. location is in Buena Park, the honor in the form of the Leo is one that folks can bite into through the month of May, which also doubles as Italian beef month.