Áine Cain/Business Insider Wawa's secret menu offers a birthday cake smoothie.
- Wawa just rolled out a secret menu that includes a birthday cake smoothie.
- Customers discovered the menu through a hack on Wawa's ordering tablets.
Wawa has quietly rolled out a secret menu.
The menu can be accessed on Wawa's ordering tablets - but only if customers know where to look.
Here's how to find it:
