A one-of-a-kind Dr Pepper milkshake is going to be available for a limited time at Portillo’s restaurants in the United States, but one will miss out. Article continues after adNow, Portillo’s has stepped into that space, linking up with Dr Pepper for a “one-of-a-kind” milkshake that fans have only ever dreamt about before. Dr Pepper milkshake available at Portillo’sThat’s right, for a limited time only, Portillo’s restaurants in the United States will offer a Dr Pepper-flavored milkshake on their menus. Article continues after adArticle continues after ad“If you’ve ever wished you could drink your Dr Pepper and eat your Portillo’s Shake at the same time, we have some good news. We’ve teamed up with Dr Pepper to bring you the Dr Pepper Shake, a thick, creamy shake blended with real Dr Pepper flavor in every sip for a one-of-a-kind flavor!”