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How to Save Homemade Yogurt That Didn't Thicken

by Tricia Ballad

Making yogurt at home gives you the freedom to experiment with flavors, textures and additives to find the exact combination that you like best. However, like any fermented food, homemade yogurt can sometimes fail. If your yogurt fails to thicken, the most likely cause is lack of fermentation.

Tweak Heat and Time

Fermentation, which causes yogurt to thicken, happens best in a warm environment. If your kitchen got a bit cool while the yogurt sat, fermentation may have slowed down. It hasn't stopped, but you may need to give it more time to thicken. Place the yogurt in a warm location to speed up the process. Your oven is a good place to let the yogurt sit overnight. The pilot light will add just enough heat to keep fermentation going at a reasonable pace. Keep in mind that the longer you let the yogurt ferment, the tangier the flavor will be. If you've let the yogurt ferment and it is still thinner than you'd like, put it in the refrigerator. As the yogurt cools, it will thicken.

Go Greek

If you are happy with the level of fermentation of your yogurt, but would like the texture to be thicker, strain it through several layers of cheesecloth. This technique will give you a thick Greek-style yogurt.

Add a Thickener

Thickeners, such as nonfat milk powder and powdered gelatin, will increase the viscosity of your yogurt. This technique is best saved for yogurt that will be used in another dish, such as a cooked sauce. The added thickeners will not be noticeable after cooking, but will stand out if you eat the yogurt on its own.

Restart Fermentation

As a last resort, you can restart fermentation if your yogurt completely failed to thicken. Reheat the yogurt, add another dose of starter, and let it sit in a warm place overnight. If you decide to try this method, consider starting a new batch of yogurt with fresh milk that has not been ultra-pasteurized, in case your choice of milk was what prevented your first batch of yogurt from thickening.

About the Author

Tricia Ballad is a writer, author and project geek. She has written several books including two novels, teaches classes on goal setting and project planning for writers, and loves to cook in her spare time. She is living proof that you can earn a living with a degree in creative writing.

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