yest

Updated: May 11, 2025

After that boil it again, and skim it very clean, and in the boiling clarifie it with the whites of six Eggs, shells and all, well beaten together. Then take it off, and put it to cool; and when it is cold, put it into your vessel, and put to it three spoonfuls of yest; stop it close, and keep it, till it be old at least three months.

Kenelm Digby - The Closet of Sir Kenelm Digby Knight Opened