For more than 50 years, Denny's has been one of the leading casual family dining restaurant chains in the United States. Based in Spartanburg, S.C., the chain operates approximately 1,500 company and franchised restaurants in the United States, Canada, Costa Rica, Guam, Mexico, New Zealand and Puerto Rico. Denny's menu offers traditional American-style food, such as breakfast items, appetizers, sandwiches, dinner entrees and desserts. Its restaurants are known for breakfast items, such as the Grand Slam, Lumberjack Slam, French Toast Slam and Belgian Waffle Slam. It has a specialty menu items for health conscious guests featuring low-fat Fit Fare offerings.