How to test yeast for freshness

How do I test my instant or active dry yeast and is it still good or fresh? Find out easily with this quick and simple 10 minute test!

Love baking? You likely know the power of active dry yeast. But have you ever wondered how to substitute instant yeast for active dry yeast?

The holidays are coming. You're on a tight schedule. You want everything coming out of your kitchen to be absolutely perfect. What's the first thing you need to do? Test your yeast, baking powder, and baking soda for freshness. Let's start with baking soda, which you'll no doubt be using in all kinds of cookies, gingerbread, muffins, and other holiday treats.

I have half of a two-pound bag of Red Star Dry Active Yeast that expired in 11/19, and it's no longer proofing as it once did. (Sadly, I had the unctioning to buy another bag in January but didn't. Big mistake.)Is there any way I can rejuvenate the yeast I have so that it proofs again? Or am I out of luck?

Not sure whether that old yeast in the pantry is still good to use? A simple trick can indicate whether the bacteria in your yeast are still alive.

Methods for testing yeast work with both fresh yeast and yeast granules. Read on to learn how to test yeast.

Make your own yeast with these simple instructions. It's an important skill because store-bought yeast has a relatively short shelf life.

Before you bake with yeast, you have to make sure it's alive and well. That simple but essential step is called "proofing." We'll show you how to proof yeast.

How much is a packet of yeast? Check our blog for the conversion to grams, teaspoons, tablespoons and learn to measure, substitute, and store yeast!

Follow these steps if you are unsure of the activity or freshness of your yeast (or just want to give it a ‘good start’).