Shake Shack offers free Shack Sandwich every week in December

Shake Shack is definitely making the holidays a little merrier for hungry bargain hunters!

This December, the popular eatery is gifting customers FREE Shack Sandwich — with a new burger or sandwich available every week.

It’s the perfect excuse to take a “bargain break” from running holiday errands. Use the money saved on more gifts, stocking stuffers and holiday treats!

Photo: Shake Shack

This December, Shake Shack is offering a FREE Shack Sandwich every week with a minimum purchase of $10 at participating locations — excluding airports, stadiums, arenas, travel plazas and museums.

Limit one complimentary sandwich per order.

The order total must include a minimum of $10 worth of food and/or beverages, excluding the cost of the promotional burger and gift cards, as well as any applicable taxes or fees.

The offer only valid for orders placed at the kiosk in-restaurant or for delivery or pick-up via the Shake Shack site or app. Use promo code SHACKCHEER at checkout. (Note: The code is case sensitive and will only work in all caps.)

Here’s what’s available each week:

Week 1: Dec. 1 to 7 – The Big Shack

Week 2: Dec. 8 to 14 – SmokeShack (single patty only)

Week 3: Dec. 15 to 20 – Chicken Shack (excludes Avocado Bacon Chicken and Chicken Bites)

Week 4: Dec. 21 to 31 – ShackBurger (single patty only)

Find locations nationwide here.