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Portillo's and Vienna Beef Celebrate America’s 250th Anniversary with the Debut of a New Hot Dog That Turns Up the Heat on an American Classic

CHICAGO, June 29, 2026 (GLOBE NEWSWIRE) -- Portillo’s is turning up the heat this summer by teaming up with fellow Windy City legend and longtime partner Vienna Beef to introduce the all-new Char’diniera Dog – a