How long is yeast good for after opening?
January 17, 2005 7:05 AM Subscribe
My father in law is one who can never pass up (in his mind anyway) a bargain. He likes to make bread so instead of buying the small packets of yeast, he buys the big, CostCo, industrial size bag of yeast. Once he opens that, how long until the efficiency of the yeast is diminished?