<Tr> <Th> Key people </Th> <Td> Lisa Ingram (CEO) </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.whitecastle.com </Td> </Tr> <P> White Castle is an American regional hamburger restaurant chain in the Midwestern and Mid-Atlantic regions of the United States . It has been generally credited as the country's first fast - food chain . It is known for its small, square hamburgers . Sometimes referred to as "sliders", the burgers were initially priced at five cents until 1929 and remained at ten cents until 1949 . In the 1940s, White Castle periodically ran promotional ads in local newspapers which contained coupons offering five burgers for ten cents, takeout only . </P> <P> On January 14, 2014, Time labeled the White Castle slider the most influential burger of all time . </P>

The name white castle was intended to evoke thoughts of