Nothing starts a birthday morning off better than a free Build Your Own Grand Slam® courtesy of your local Denny’s diner! Let us spoil you as you select your favourite breakfast items to craft a truly unique Grand Slam built especially for you.
Dine in only. Valid picture ID must be presented at time of redemption. Offer valid only on actual birthday. Cannot be combined with any other offer or promotion. Taxes and gratuity extra. Offer is not valid at Denny’s Niagara Falls, Dundas (Toronto), Nepean, Vaughan, Mississauga (Courtney Park) or Whitby locations.