They are a ubiquitous deli item in Ireland and parts of the UK.

The product emerged during the 1990s as part of a broader movement towards "food to go".

[2] The multinational bakery company Délifrance claims to have adapted and launched the jambon as a new product in the Irish market in 1997.

These pastries are produced in a similar manner, using meat substitutes and cheese analogues for the filling.

[6][7] In the RTÉ comedy series Hardy Bucks, one of the main characters, Buzz McDonnell, has an obsession with jambons.