This is an excerpt from MS Royal 12.C.xii
(England/France, 1340 - D. Myers, trans.)
The original source can be found at
MedievalCookery.com
Browet sek. Sweet broth, grape verjuice, ground parsley put therein, cloves, mace, cubebs; in times of chicks after Easter; and it will have the taste of good spices, saffron cooked therein with parsley in the broth; color, yellow.
Recipes with similar titles:
Browet seeke for x mees (Ancient Cookery [Arundel 334])