<P> In the UK and Ireland it is called sirloin . </P> <P> In Canada, most meat purveyors refer to this cut as a strip loin; in French it is known as contre - filet . </P> <P> Delmonico's Restaurant, an operation opened in New York City in 1827, offered as one of its signature dishes a cut from the short loin called a Delmonico steak . Due to its association with the city, it is often referred to as a New York strip steak . </P> <P> When still attached to the bone, and with a piece of the tenderloin also included, the strip steak becomes a T - bone steak or a porterhouse steak, the difference being that the porterhouse has a larger portion of tenderloin included . The strip steak may be sold with or without the bone . Strip steaks may be substituted for most recipes calling for T - bone and porterhouse steaks, and sometimes for fillet and rib eye steaks . </P>

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