Through May 13th, get a Mushroom Swiss Burger for FREE when you buy a medium fries and medium drink! This offer is for Whataburger Rewards members and can be found in the Rewards section of the app.

If you're not a member yet, you can get a completely Free Whataburger (no purchase required) and receive 500 points when you make your first online order over $10 on the Whataburger app! Go here and download the app to create your new account and enter the code NVKHB8RN83FJ during sign up when prompted.