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Steak ‘n Shake has a BOGO on their Holiday milkshakes with coupons good through December 20, 2015.
CLICK HERE for your Steak ‘n Shake coupons. You can also find the coupons at Steak ‘n Shake Facebook Coupons.
The Steak ‘n Shake buy one / get one free coupon is good on these holiday milkshakes: Eggnog, White Chocolate, and Peppermint Chocolate Chip. You can also find a separate coupon for a buy one, get one free special on their new Cookie Butter milkshake.