This is an excerpt from MS Douce 257
(England, 1381)
The original source can be found at
MedievalCookery.com
Egerduse. Tak lucys or tenchis & hak hem smal in gobettes, & fry hem in oyle de oliue; & syþ nym vineger & þe þredde perty of sugur & myncyd onyons smal, & boyle al togedere, & cast þereyn clowys, macys & quibibz & serue yt forþe.