Bog butter

Bog butter made in 2012 for the Oxford Symposium on Food and Cookery.
Bog butter from A Descriptive Catalogue of the Antiquities in the Museum of the Royal Irish Academy, 1857

Bog butter is an ancient waxy substance found buried in peat bogs, particularly in Ireland and Scotland. Likely an old method of making and preserving butter, some tested lumps of bog butter were made of dairy, while others were made of animal fat.[1]

  1. ^ "Bog Butter Mystery Solved?". 2004-04-02. Archived from the original on 2011-07-19. Retrieved 2010-04-13.