 It was Romano's signature dish, and was mentioned in a 1940 article about the restaurant.Clerici may have learned the dish from Charles Gallo-Selva, who had previously worked at the Quaglino brothers' restaurant Quaglino's in London, which was serving steak cooked tableside in a chafing-dish in 1937.Indeed the head chef of Quaglino's in the 1930s, Bartolomeo Calderoni, claimed in 1988 to have invented Steak Diane.