Looking for ways to make their product stand out in an increasingly crowded segment, some burger brands are turning to a very literal form of branding. RELATED • McAlister's Secret Menu resonates with customers • Better burger chains add exotic meats to menu • More restaurant industry food and beverage news At most burger joints, enhancements to the bun might include an egg wash and a sprinkle of seeds. At chains including Sonic, Umami Burger, and BurgerFi, as well as ...

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