There’s nothing worse than dedicating your time and effort to baking bread only to have it ruined by an old, inactive yeast. If you’re looking to stock up on yeast but unsure of how long it’ll last, here’s how to store it so you can count on it the next time you need to make dough.
How Long Yeast Lasts
Dry yeast that is sealed and unopened will last about 2 years. Chilling extends its life which is why it’s best to store in a refrigerator or freezer. You should always check the best-before-date on the bag before purchasing it in the store.
An opened active and instant dry yeast will last four months in the refrigerator and up to six months in the freezer. A fresh yeast, also known as compressed yeast, will last up to two weeks in the refrigerator and should not be frozen.
How to Store Open Yeast
- Keep it Airtight. Air will shorten the lifespan of yeast. If the yeast is in an open envelope, fold down the top and seal with tape, a paper clip or rubber band. If it’s in a bag, press as much air as possible out of the bag, then seal with tape or rubber band. You can also transfer the yeast to a glass jar with a tight-fitting lid.
- Label the yeast before storing with the date it was opened or the use-by-date.
Source: Simply Recipes