FREE Birthday Cake Shake at Hat Creek Burgers For All Of September (App Required)

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Score a free birthday cake shake at Hat Creek Burger Company during their 17th birthday celebration this September! This hand-spun vanilla shake is blended with white birthday cake mix and loaded with colorful rainbow sprinkles, then topped with whipped cream for the perfect celebratory treat. Join their rewards program through the app to unlock this sweet birthday freebie and discover additional weekly rewards all month long.


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How to get your free Hat Creek birthday shake:

  1. Download and install the Hat Creek Rewards app.
  2. Create a Hat Creek Rewards account through the app.
  3. Visit a Hat Creek location during September to redeem your free birthday cake shake.
  4. Show your rewards QR code in the app when ordering your free shake.

* TX only. Hat Creek Rewards app required. Valid September 2025. Must redeem offer via app. In-store or online only.

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