The San Francisco Appeal Denny's Free Grand Slam Breakfast Tuesday WLTX.com Columbia, SC (WLTX) – You can get a free Denny's Grand Slam Breakfast Tuesday, if you go during the right hours. The deal is for the Original Grand Slam . … Denny's Feeds America Again MarketWatch Denny's restaurant is giving away a Free Grand Slam Breakfast this Tuesday … Best Syndication Get a free Denny's Grand Slam breakfast The Express Times – LehighValleyLive.com Good News Broadcast