What concepts are described in the following sentence?

"Popular in the UK, a bacon sandwich includes the ingredient bacon and can also be known as a bacon butty, bacon sarnie, rasher sandwich, bacon sanger, piece 'n bacon, bacon cob, bacon barm, or bacon muffin."

Return the answer as pairs of triples.
Bacon sandwich COUNTRY United Kingdom
Bacon sandwich ALTERNATIVE_NAME "Bacon butty, bacon sarnie, rasher sandwich, bacon sanger, piece 'n bacon, bacon cob, bacon barm, bacon muffin"
Bacon sandwich INGREDIENT Bacon