Marie Callender's is a chain of restaurants in the United States and Mexico. Marie Callender's has more than 60 locations in both of these countries. It has its headquarters in Mission Viejo, Orange County, California. American food is served at Marie Callender's with side dishes that lean toward classic preparation styles of French, Mexican, Italian, Chinese and Cajun. Sandwiches and soups are available as a meal or as a side. There are a number of pies that are considered signature items on the menu with over 30 different varieties to choose from, each one able to be ordered as a slice or as a whole pie.