This is an excerpt from The Second part of the good Hus-wiues Iewell
(England, 1597)
The original source can be found at
the University of Michigan's "Corpus of Middle English Prose and Verse"
To seeth Muscles.. TAke butter and vineger a good deale, parseley chopt small and pepper, then set it on the fire, and let it boile a whild, then see the Muscles be cleane washee, and put them in the broth shelles and all, and when they be boyled a while, serue them shelles and all.