After three years of requests, the burger chain has finally listened to its fans and brought back Whataburger's Mushroom Swiss Burger ...

A Whataburger “throwback” is back by popular demand. After a three-year break, fans can get their first bites of the mushroom ...

according to the Texas-based burger chain. It’s made with two beef patties topped with Swiss cheese, au jus sauce and “a generous layer” of grilled mushrooms, all served on a toasted bun, a ...

Whataburger’s Mushroom Swiss Burger is back! A toasted bun holds two beef patties, melted Swiss cheese, grilled mushrooms, and creamy sauce. Bold text highlights the burger’s return.

the Mushroom Swiss Burger features two grilled beef patties, melty Swiss cheese, creamy au jus sauce, and a layer of grilled mushrooms, all between a toasted bun. Regarding the reintroduction ...