Founded in 1981, the Denver, Colorado-based Quizno's restaurant chain specializes in toasted sub sandwiches. …More Quizno's makes its sandwiches to-order, and uses a wide range of fresh ingredients and unique recipes. The menu includes subs, toasted subs, flat-bread sandwiches, soups, breakfast sandwiches, and a kids' menu. A variety of sides are available, including chips, cookies and applesauce. Fountain drinks and cold bottled beverages are available as well.