Free Cookies 'N' Scream Shake at Denny's

Free Cookies 'N' Scream Shake

Denny's is offering a Free Cookies 'N' Scream Shake with the purchase of an entree to Denny's Rewards members. Check the offers section of your rewards account to redeem it. If you're not a member, sign up now and you'll get a free Original Grand Slam for your birthday.