Whataburger Welcomes Back The Mushroom Swiss Burger

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Following a three-year hiatus, Whataburger announced today the much-anticipated return of its fan-favorite Mushroom Swiss Burger at participating locations nationwide, starting April 1, 2025.

Due to ‘overwhelming fan demand’ on social media and a change.org petition with over 7,200 signatures, the Texas-based burger chain has decided to bring this bold, savory classic back to its menus, though it will only be available for a limited time.

Touted as the ‘Real Deal,’ the Mushroom Swiss Burger features two grilled all-beef patties topped with melty Swiss cheese, creamy au jus sauce, and a layer of premium grilled mushrooms, all sandwiched between a warm, lightly toasted bun.

Additionally, and in a gesture of generosity, Whataburger is encouraging guests to “round up at the register” during April to support the Gratitude Initiative, which offers educational programs and scholarships for children from military and law enforcement families. This fundraising effort coincides with the Month of the Military Child, a time dedicated to recognizing their strength and sacrifices.

The Mushroom Swiss Burger will be available at participating Whataburger locations nationwide for a limited time, from April 1 through June 2, 2025.

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