The burger features two beef patties, two layers of grilled mushrooms, two slices of cheese, and creamy Au Jus Sauce on a toasted plain bun.
If you're looking for something lighter, they also offer it in a Jr. version.
Photo via Whataburger.
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Jan 14, 2019
Whataburger Brings Back Mushroom Swiss Burger for a Limited Time
The burger features two beef patties, two layers of grilled mushrooms, two slices of cheese, and creamy Au Jus Sauce on a toasted plain bun.
If you're looking for something lighter, they also offer it in a Jr. version.
Photo via Whataburger.
