Is My Yeast Still Active?

Yeast Doesn’t Live Forever

If you suspect that your yeast might be past its prime, you can easily check this out: you’re going to “Proof” the yeast. Follow these instructions: 

1. Place some warm water in a cup, say 1/4 cup. Aim for around 100–110 degrees Fahrenheit. Avoid going above 120 degrees, as you’ll begin to damage the yeast at this point. At 140 degrees, you’ll kill the yeast. 

2. Mix in yeast (2 1/4 tsp) and sugar (1 tsp) to the warm water. Give a little stir, a small whisk is helpful; this “action” agitates and helps the yeast react. Leave the mixture for 10 minutes. Upon return, if you have a foamy and creamy looking concoction on top, your yeast is still active and good to go (see picture below).

The Spruce / Cara Cormack

 

 

 

 

 

 

 

 

 

 

 

 

 

Resources: Masterclass, FoodNetwork, The Spruce Eats

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Rachel Linkhart

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    Rachel Linkhart