In its first iteration across the United States, turtle soup was typically made with green sea turtles, which lent the dish its signature viscous texture that turned gelatinous as it cooled.

From the 1800s through the 1950s, people clamored for the delicacy green turtle soup. Though the color describes the hue of the soup, one turtle commonly used for the dish – the Chelonia mydas – has ...

open image in gallery A 19th-century advert for Bellis’s Real Turtle Soup made from green turtle (Alamy) Victoria was supplied by a man colloquially known as the Turtle King, a Liverpudlian who ...