Mirror, mirror on the wall, what will be free for us all?

Show up in your best Snow White, wicked stepmother or any costume today and you'll receive a free scoop of custard from  Shake Shack . Besides classic chocolate or vanilla flavors, there's a special Halloween-inspired Shackenstein custard, available for a limited time. No purchase necessary—and yes, the offer applies to kids and adults.

Shake Shack, 3035 Peachtree Road N.E., Atlanta. 470-809-9201 . shakeshack.com.