How to Fix Runny Icing?

Last Updated on December 21, 2023

Learn how to fix your icing, which will turn into a frosting or crisco depending on what you’re making.

If your icing is not set or has turned into a runny mess, you can fix it by placing the bowl in the fridge for about 10 minutes. The cold temperature will help to set the icing and make it firm again.

How do you stiffen buttercream icing?

A: To stiffen buttercream icing, you must first beat it with an electric mixer until it becomes fluffy. Then, add in a little bit of powdered sugar to the mixture and continue beating until it is smooth.


The “how to thicken icing without cornstarch” is a question that has been asked by many people. It is not as difficult as most make it out to be. There are a few ways that you can use to thicken your icing, such as using more sugar or adding an egg white.

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