Learn how to make powdered sugar from granulated sugar and cornstarch! Its also known as as confectioner's sugar, and it makes wonderful cookie frosting!
Maybe you don’t use powdered sugar often and don’t want o give up pantry space you can just make what you need. And the best part is it only requires two simple ingredient and a food processor and you have it ready in about 1 minute.
HOW TO DIRECTIONS
To make powdered sugar at home, you’ll need two ingredients: granulated sugar and cornstarch. Use 1 tablespoon cornstarch for every cup of sugar.
You can make as little or as much as needed., add 1 tablespoon of cornstarch to each cup of granulated sugar used. Also this will double, so if only need one cup of powdered sugar, then use ½ cup of granulated sugar. Adjust the cornstarch in half also.
Add the granulated sugar and cornstarch to a food processor, and blend for 30 seconds, until the sugar is white and fluffy. If you want a much smaller amount, you can use a spice grinder.
Why Do You Need Cornstarch to Make Powdered Sugar?
Cornstarch is added to to prevent clumping. When sugar is ground into a fine powder, it tends to absorb moisture from the air, which can cause it to clump together. The cornstarch acts as an anti-caking agent, keeping the sugar light and fluffy.
How To Store
If you are not using right away, store in an airtight container. I like to use old mason jars. You might be interested in this blog post about using different sugar in cookie recipes.