Greek-style pastrami is leaner, moister, and less salty than its New York-style deli cousin, and very wet, stored in a vat of warm, paprika-infused beef broth.

FORBES: 10 Great American Regional Foods You Should Taste In 2012

At the centre of its bewilderingly long menu is pho, traditional Vietnamese noodle soup served with a choice of beef, where the integral ingredient is a broth simmered slowly for many hours to develop its rich, deep flavour.

BBC: Cheap ethnic eats in London