Why Is Your Cornstarch Not Thickening? 4 Reasons

cornstarch not thickening
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cornstarch not thickening

Runny foods such as various kinds of soups and gravies require thickeners to settle down and become enjoyable. When it comes to thickening soups and other dishes efficiently and with minimal effort, cornstarch is the best and the most convenient thickener that could sit in your pantry. Cornstarch has the ability to thicken any kind of liquid only if used in an appropriate manner. Many people complain about cornstarch not thickening their gravies and soups well. There could be a lot of reasons for the cornstarch to lose its thickening power.

Plus, if you don’t know how to handle the ingredient, it won’t work as per your desire. In this post, we will talk about the factors behind cornstarch, not thickening, and some ways to solve this issue. Read on.

Why Is Your Cornstarch Not Thickening?

Cornstarch has gel-like spongy molecules that expand every time you add them to the liquid. Being a great thickening agent, cornstarch fixes all kinds of runny liquids to make the best gravies. However, if you don’t use cornstarch the correct way, you might end up having lumpy and grainy soups or gravies that won’t thicken at all.

Here are all the possible reasons behind why your cornstarch isn’t thickening along with the recommended solutions:

1) You Haven’t Used The Equal Parts of Liquid and Cornstarch:

Sometimes, you recklessly add an unmeasurable quantity of cornstarch into a boiling or hot water pot, expecting that the solution to get thickened well. If you do this, don’t be surprised when you get a lumpy solution instead of a perfectly even gravy or soup.

In order to make the perfect and even mixture, you will have to make a slurry. An equal quantity of cornstarch and water is referred to as slurry. Make sure to mix one tbs. of cornstarch to one cup of water and if you want an even thicker gravy, add 2 tbs. But not more than that. Keep the ratio to 1:1. (I tbs. of cornstarch to one cup of water)

2) The Liquid Isn’t Cold:

You need cold water to make the slurry. Only then you may add that liquid in a simmering pan. Don’t use hot water to make a slurry. It will turn bad.

3) You Have Over-Whisked The Slurry:

Another reason for the cornstarch to not thicken the gravy well is over-whisking. You might have heated the slurry or whisked it too long that the gravy has become runny and lumpy.

To avoid this, first, you have to blend and mix the cornstarch well. Then, you may add the slurry, after complete settling, in a simmering saucepan. Your gravy will be flawless as the cornstarch disperses quickly that way.

4) Your Cornstarch Has Expired:

Another possible reason could be expired cornstarch. Make sure to use fine quality cornstarch.

Final Thoughts:

Cornstarch is a great thickening agent. From alcohol to water, it can make a flawless slurry with all the liquids. Although to get the best out of cornstarch, you have to use it right. Make sure that you don’t repeat the above-mentioned mistakes if your cornstarch isn’t thickening well. 

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