Bog Butter found in a timber vessel in a bog at Shancloon near Caherlistrane, north Galway, could be 2,000 to 2,500 years old, according to a specialist from the National Museum of Ireland. The butter, weighing almost two stone, was found in a timber keg which may have been hewn from a tree trunk and shaped into a barrel using early Iron Age implements.
The rest of this posting may be found here ————-> yes, here.
And, in case you wonder what a couple of thousand years may do to the shelf life of said staple…