As part of the celebration, customers can enjoy one-day menu specials on some of Denny's classic favorites, including the Original Grand Slam for $5.99, Single Cheeseburger for $6.99, and Bourbon ...

As announced during yesterday's Super Bowl, Denny's is offering a free Grand Slam breakfast tomorrow (February 3) from 6 a.m. to 2 p.m., available at all locations. Since the Denny's in Japantown left ...