Shake Shack runs a buy-one-get-one promotion on Double ShackBurgers through Thursday, Oct. 31, which requires customers to enter code SPOOKY when ordering via the mobile app, website, or restaurant kiosks. The sandwich contains two quarter-pound beef patties with American cheese, lettuce, tomato and ShackSauce at approximately $11 per item.
The chain completes its third October promotion after previous deals on SmokeShack and Chicken Shack products. Additional application discounts provide $1 soft drinks, $3 french fries and $5 milkshakes without codes, rotating at intervals that require frequent checking.
The chain completes its third October promotion after previous deals on SmokeShack and Chicken Shack products. Additional application discounts provide $1 soft drinks, $3 french fries and $5 milkshakes without codes, rotating at intervals that require frequent checking.
