This is an excerpt from Forme of Cury
(England, 1390)
The original source can be found at
the Project Gutenberg website
LIII - FOR TO MAKE A ROO BROTH. Tak Parsile and Ysop and Sauge and hak yt smal boil it in wyn and in water and a lytyl powdre of peper and messe yt forth.
Other versions of this recipe:
Roo Broth (Forme of Cury)
Roo broth (Fourme of Curye [Rylands MS 7])