How to Make Buttercream Icing Thicker?

Last Updated on February 20, 2022

To make icing thicker, you can add a small amount of milk or cream to the butter and sugar mixture.

The “what if my buttercream frosting is too runny” is a question that many people have. If you are making buttercream icing and it’s not thick enough, there are some things you can do to make it thicker.

How do I thicken buttercream icing UK?

A: To thicken buttercream icing, you will need to add more powdered sugar. This can be done by adding a tablespoon of powdered sugar at a time and mixing it in with the icing until you reach your desired consistency.


Buttercream icing is a type of frosting that is made by combining butter, powdered sugar and milk. The mixture can be thick or thin depending on the amount of powdered sugar you add. Adding more powdered sugar will make it thicker while adding less will make it thinner. Reference: does buttercream harden in the fridge.

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