It’s time to celebrate! Whataburger is ringing in 74 years of burger bliss, and they’re giving away a FREE Orange Birthday Cake Shake on August 8th to members of their Whataburger Rewards program.

That’s right—you could be sinking your teeth into a creamy, decadent shake for free, but only if you’ve got the Whataburger app. All you have to do is download it and sign up for the rewards program, and you’ll be one step closer to enjoying this birthday treat. 

Get ready for a frosty, fruity celebration with the Whataburger Orange Birthday Cake Shake! This limited-edition treat is the perfect way to celebrate Whataburger’s birthday and enjoy a sweet, creamy indulgence.

Featuring a swirl of smooth vanilla soft serve and tangy orange syrup, this birthday cake shake is bursting with flavor and is topped off with a slice of orange for a festive touch. And since it’s only available for one day (August 8th), you’ll want to make sure you don’t miss out on this birthday bash in a cup.