09/09/2026
Everyone knows their order. The burger. The fries. And, if it's a good
day, the shake.
On September 12 for , we're making that
last part even easier. Get a FREE milkshake with any burger or
chicken sandwich, in-store only.
*Free milkshake with the purchase of any grilled burger, smash burger, or chicken sandwich. Valid September 12, 2026 only at participating South/Smash Street Burger locations. In-store only. Receive one (1) Free milkshake available in any flavour. Not valid on delivery, online, or third-party ordering platforms. Cannot be combined with any other offer, discount, or promotion. While supplies last.