Get an Original Grand Slam for free at Denny’s! How?
Well, it’s simple. Join their reward program and on your birthday, they’ll inbox you a coupon for a free Original Grand Slam. Yum.
Get an Original Grand Slam for free at Denny’s! How?
Well, it’s simple. Join their reward program and on your birthday, they’ll inbox you a coupon for a free Original Grand Slam. Yum.