Bocca di Lupo, a renowned Italian restaurant in London, will serve 12 Roman tripe rolls per day.
The dish, a customer favourite, has been a special for years and is now being added to the menu.
To cook a good one requires a knowledge of food rather than the frivolous application of lofty ingredients.
Originating from Testaccio, Rome's butcher's district, trippa alla romana is a working-class dish that is both affordable and delicious.
Bocca di Lupo's decision to launch the tripe sandwich on a more permanent basis is a testament to its popularity.
Author's summary: Bocca di Lupo adds tripe sandwich to menu.