Portillo’s and Dr Pepper “Shake” Things Up, Launching Limited-Time Shake and Cake Shake

From everyday wins to extraordinary moments, this deliciously rich new beverage collaboration gives fans one more reason to treat themselves this summer Portillo's x Dr Pepper Portillo's new Dr Pepper Shake blends the brand's classic vanilla shake with the one-of-a-kind flavor of Dr Pepper, for a bold, nostalgic treat available for a limited time. For more information, visit Portillos.com CHICAGO, Aug. 13, 2026 (GLOBE NEWSWIRE) -- From afternoon pick-me-ups to late-night cravings, summer is full