E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Palestine Soup.
Soup made of Jerusalem artichokes. This is a good example of blunder begetting blunder. Jerusalem artichoke is a corruption of the Italian Girasole articioccoi.e. the sunflower artichoke. From girasole we make Jerusalem, and from Jerusalem artichokes we make Palestine soup.