Get buy-one-get-one free Original Grand Slam at Denny’s
Don’t flip out! Denny’s is offering some rare “grand slam” savings for hungry bargain hunters. Through June 30, get a FREE Original Grand Slam with the purchase of the same at regular price at participating locations. The offer is only valid for online orders placed at Dennys.com or on the diner’s app with promo code GRADSLAM. (The discount is not valid with any […]