On 21st August 2025 only, burger lovers can double up on their favourites as we’re servin’ up buy one burger, get one FREE at UK Shake Shacks.
Sign up required via our QR code or link (shakeshack.co.uk/burgerday/) to claim your exclusive code to snag a free burger.
Must order via the kiosk for dine-in or takeaway only. No delivery — just double the burgers, & double the fun all day long.
*View Shake Shack’s main burger menu here, and breakfast burger menu here.