Founded in 1837, Delmonico's was the first fine-dining restaurant in America. Their original steak recipe, dubbed "Delmonico Sirloin Steak," called for two pounds of sirloin.
The original Delmonico family ended the restaurant in the early 1920s. Since then, the term Delmonico steak has been linked to the best quality thick-cut steak available.
Today, the signature Delmonico steak on the New York restaurant's menu is an 18-ounce aged ribeye steak provided by a specialty meat packer in California.