FREE Denny’s Original Grand Slam on Your Birthday (Rewards Sign Up Required)
For your birthday, get a free Original Grand Slam at Denny’s! Simply sign up for Denny’s Rewards and keep an eye on your inbox before or on your birthday.
For your birthday, get a free Original Grand Slam at Denny’s! Simply sign up for Denny’s Rewards and keep an eye on your inbox before or on your birthday.