This is an excerpt from Forme of Cury
(England, 1390)
The original source can be found at
the Project Gutenberg website
XV - FOR TO MAKE ELYS IN BRUET. They schul be flayn and ket in gobett' and sodyn and grynd peper and safroun other myntys and persele and bred and ale and temper it wyth the broth and boyle it and serve it forth.
Recipes with similar titles:
to mak eles bruet (A Noble Boke off Cookry)
Eles in bruet (Ancient Cookery [Arundel 334])
Elys in bruet (MS Douce 257)