Potbelly Sandwich Works is a privately held restaurant chain that sells submarine sandwiches in the United States. The company is headquartered in the tower of the Merchandise Mart in the Near North Side, Chicago, Illinois. Potbelly Sandwich Works was founded in 1977 by Peter Hastings. The original store is located at 2264 North Lincoln Avenue in Chicago, in a retail space that was previously an antique store called Hindsight, also owned by Hastings. Many of the items that decorated the restaurant were taken from the former antique store. In 1998, Bryant Keil purchased the original store and expanded Potbelly to over 250 stores in several states and the District of Columbia. Potbelly's menu features a variety of sandwiches that are all served hot on regular or multigrain wheat bread. All sandwiches can be ordered 'thin-cut' style, in which one third of the bread is cut out. Potbelly began offering salads in February 2007.
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