In case you've never had it, the Whataburger Mushroom Swiss Burger includes two beef patties, layers of melted Swiss cheese, grilled mushrooms and a creamy au jus sauce to top it off. It's bold ...

they belong in your hands," Whataburger President and CEO Debbie Stroud said in a release. This burger has two grilled all-beef patties, melty Swiss cheese, creamy au jus sauce, and a layer of grilled ...

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 product description says. Whataburger’s ...

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.

This burger has two grilled all-beef patties, melty Swiss cheese, creamy au jus sauce, and a layer of grilled mushrooms.