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Can I use a packet of yeast after it's been opened?
Asked by occ (4176)
August 21st, 2010
I have a recipe that calls for ¼ tsp of baking yeast, which is less than a full packet. I used it about a week ago, and saved the rest of the packet in my cabinet. Can I still use the rest of the yeast? Or is there some reason it would lose it’s efficacy after being exposed to air?
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