Shake Shack is offering a buy one, get one promotion on all classic and featured shakes, available weekdays from 2 to 5 p.m. through the end of August.

Here’s how it works:

  • Open the Shack App or head to to place an order
  • Add two shakes to your cart
  • Make sure your order is scheduled for a weekday (M-F) 2-5PM at your local Shack
  • Use code SHAKEUP at checkout
Fast Casual, Marketing & Promotions, News, Shake Shack