Shake Shack: Free Burger, Chicken Sandwich or Chicken Bites Every Sunday
Shake Shack is offering a free menu item with a purchase of $10 or more every Sunday through December 27, 2026.
Just use promo code SHACKSUNDAY to get one of these items for free:
- Chicken Shack Sandwich
- Single ShackBurger
- 6-Piece Chicken Bites
Important Terms
- Valid every Sunday through December 27, 2026.
- Minimum $10 purchase, excluding the free item, taxes and fees.
- Use promo code SHACKSUNDAY.
- Valid through the Shake Shack app, website or in-store kiosks.
- Limit one free item per order.
- Available at participating locations.
