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How to Make Confectioners (Powdered) Sugar

Category Baking
A sugar mill making powdered sugar.
You don't need to run to the store to buy powdered sugar for the recipe you are making; make your own. This is a guide about how to make confectioners (powdered) sugar.


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By 6 found this helpful
December 15, 2010

I make my own powdered (confectioner's) sugar. I whirl it in small amounts (1/2 cup or less) for a few seconds, maybe a minute, in the blender or food processor. I think it's cheaper than buying it. Since I always have sugar, I don't have an "extra box" sitting around, either.

By thriftyvicki from Dallas, TX

Comment Was this helpful? 6
Read 10 Comments

April 29, 2014

After baking for Easter, I discovered I ran out of powdered sugar for the icing. After having a nervous breakdown, I remembered my mom, Wanda Colerick would make her own. I thought I would share with all of you!


Total Time: 10 seconds

Yield: 1 cup

Source: Mom


  • 1 cup Sugar
  • 1 Tbsp Corn Starch


  • Using a blender, blend until powdery like powdered sugar!
  • Comment Was this helpful? 6
    Read 3 Comments

    By 1 found this helpful
    December 1, 2009

    To save some money during the holidays; Bubba's Quick Confectioners Sugar mixture!



    Pour sugar and cornstarch in to food processor, food chopper or blender. Turn on high until mixture is a fine powder.

    Note: If your recipe calls for more than a cup, make some more!

    Source: My Kitchen (and billfold!)

    By johnluse from Columbus, GA

    Comment Was this helpful? 1


    Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

    By 0 found this helpful
    August 19, 2010

    How do you measure homemade powdered sugar? That is, when you grind up one cup of granulated sugar does it equal one cup of powdered sugar?

    Answer Was this helpful? Yes
    August 20, 20100 found this helpful

    If the recipe calls for 1 cup of powdered sugar, I grind up 1 cup of regular sugar, measure it out in the powdered form and then toss the rest in the garden.

    Reply Was this helpful? Yes
    November 26, 20100 found this helpful

    Wow. Did I learn a lot today! I was trying to save money by making my own powdered sugar and what I learned is that it's more money, and here's why! I learned this after I just went out and bought 6 bags on sale! The reason is because a 4 pound bag of granulated sugar would yield 10 cups of powdered, figuring your yield will be approx 25% more after blending, and a 2 pound bag of powdered sugar has 7.5 cups.

    Let's take Aldi, for example. A 2 lb. bag of powdered goes for $1.29 which makes each cup worth slightly over 17¢. A 4 lb. bag of granulated goes for $2.49, which makes each cup worth just slightly under 25¢. Plus, the added cost of corn starch, electricity, and blade wearing on your blender. So, you're paying 33% less for the ready made. I never knew, and now I'm stuck with 6 bags of granulated, but at least it was on sale on the cheap for $1.69. Me and my crazy knack for figuring! Mad, at myself! Hehe!

    But this is great to know in case you're in a pinch and the store is closed or you simply don't want to go to the store for one ingredient! The pic is some of the cuppycakes I make with my homemade buttercream frosting with powdered sugar!

    Reply Was this helpful? Yes
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    By 0 found this helpful
    April 13, 2010

    How can I make powdered sugar for commercial purposes? What anti-caking agent can I use? I would also like to preserve the powdered sugar for up to 2 years. Any suggestions?

    By Ekas from Lagos, Nigeria

    Answer Was this helpful? Yes
    April 13, 20100 found this helpful

    Can you explain in more detail what you mean for commercial use? I am fairly sure you can find out about making powdered sugar by doing an online search. I do know that powdered sugar is simply granulated sugar very finely sifted. Also, what do you mean by no caking agent? As for preserving it for up to two years it needs to be kept in sealed containers of some sort and completely kept away from moisture.

    Reply Was this helpful? Yes


    ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

    December 13, 20100 found this helpful


    • 1 cup granulated sugar


    Blend 1 cup of granulated sugar in blender until desired powder is produced. Easy and much less expensive than store bought powdered sugar!


    By Karen from NH


    Homemade Powdered Sugar

    i'v tried this a few times. Yes, it does work but it has a funny taste to it every time. (06/16/2006)

    By annspam

    Homemade Powdered Sugar

    First, yes boxed has corn starch in it to keep it loose not clumpy. It is also called icing sugar in some places. Maybe that will help the German cook. But you can process it, it just takes forever and if you blender isn't strong enough will burn it out. Also I have never had luck getting it fine enough for frosting but I am trying again as my children cannot tolerate corn products. (09/18/2006)

    By Melanie

    Homemade Powdered Sugar

    That was so easy! I will never buy powdered sugar again. Thank You (03/07/2007)

    By Terri

    Homemade Powdered Sugar

    Thank you all for the information. Could not believe how easy it was to make this inexpensive powdered sugar. (09/21/2007)

    By Antoinette

    Homemade Powdered Sugar

    Very cute. However, powdered or confectioner's sugar has 3% cornstarch in it. It's not just table sugar in a very fine powdered form. Therefore, it has a different consistency and is used differently. (12/10/2007)

    By Tracey

    Homemade Powdered Sugar

    My son is allergic to corn and I have to make powdered sugar for recipes as all commercial brands have cornstarch.
    I've found that a coffee grinder works very well. You have to make small batches and can't use one that has been used for coffee unless you want coffee flavored powdered sugar. (12/11/2007)

    By Leanne

    Homemade confectioner's sugar

    G-ma said the same thing a lil cornstarch and a tad bit flour. and wallah or however its spelled. Have fun. (12/27/2007)

    By T-mony German decendant

    Homemade Powdered Sugar

    Thanks. You saved the day! (01/13/2008)

    By C Silvia

    Homemade Powdered Sugar

    Thanks for the hint. It is Easter morning and the nearest grocery store is 20 miles away and I didn't have enough powdered sugar. You saved my Easter cake. (03/23/2008)


    By robinw

    Homemade Powdered Sugar

    Thanks so much, it saved my cookies! (05/08/2008)

    By stephanie

    Homemade Powdered Sugar

    I tried that advised and it worked, thanks so much =] (06/26/2008)

    By Olivia

    Homemade Powdered Sugar

    This worked so well but don't use a blender, use a coffee grinder (12/06/2008)

    By suzzy

    Homemade Powdered Sugar

    Thank you! It's Christmas morning and I am making cinnamon rolls and I forgot powdered sugar for the frosting. (12/25/2008)

    By Sheila

    Comment Was this helpful? Yes

    August 19, 20100 found this helpful

    Powdered sugar can be made from regular sugar in a conventional blender. This way you don't have to buy two types of sugar or make a special trip to the store!

    By Diane from Chicago


    Make Powdered Sugar from Granulated Sugar

    Commercial powdered sugar contains cornstarch; you may not get the same results in your recipes by "powdering" granulated sugar yourself without adding cornstarch to it. (11/12/2008)

    By Guest

    Make Powdered Sugar from Granulated Sugar

    I never bothered to measure, I just did about a cup at a time and used what I needed for the recipe. I didn't realize there was corn starch in powdered sugar! I checked it out and you should add 2 tbsp to 1 cup of sugar.

    Diane from Chicago (11/12/2008)

    By bebhinne

    Make Powdered Sugar from Granulated Sugar

    Mix one cup of granulated sugar and 2 tablespoons of corn starch. Put them in the blender, cover and blend on the highest speed until it looks like confectioners sugar. It's really that simple. (11/15/2008)

    By bebhinne

    Comment Was this helpful? Yes

    December 1, 20090 found this helpful

    I want to learn how to make confectioners sugar.



    How to Make Confectioners (Powdered) Sugar

    I just put regular sugar in the blender. (01/08/2009)

    It seems to have the same consistency to me. I use a vitamix so that might make the difference. (01/08/2009)

    By Thursday_Next

    How to Make Confectioners (Powdered) Sugar

    Put regular sugar in a coffee grinder and whirl away. I have an extra grinder for pulverizing things that are not coffee. Or just wipe out the coffee in your grinder before you make the powdered sugar. For chocolate frosting, the coffee residue could enhance the flavor. (01/08/2009)

    By pigeon toes

    How to Make Confectioners (Powdered) Sugar

    Just use granulated sugar and grind it. I use it for black powder and it works fine, don' know if it works for frosting but you can try if you want to. (02/19/2009)

    By fossildog

    How to Make Confectioners (Powdered) Sugar

    I have made powdered sugar this way many times, As my husband and many friends are diabetics, I use Splenda instead of sugar, wonderful results. (10/08/2009)

    By knsabear

    Comment Was this helpful? Yes

    January 2, 20090 found this helpful

    If you run out of confectioners (powdered) sugar. Take granulated sugar and pour in blender, and blend until it is powdery. You can do a cup or 2 at a time. Editor's Note: You need to add 2 Tbsp. of corn starch per cup of granulated sugar.

    By Sassy


    How to Make Confectioners (Powdered) Sugar

    I had to add about 2 tbsp of corn starch per cup of sugar to it to make it the same consistency as Confectioners and i couldn't tell the difference after my frosting was made. Thanks for posting!

    By Beth

    How to Make Confectioners (Powdered) Sugar

    All the powdered sugar you buy has corn starch already added to it. That is why you don't get the same result just by blending sugar in the Kitchen Aid. (01/18/2006)

    By Jess

    How to Make Confectioners (Powdered) Sugar

    IMPORTANT NOTE: Actually, its not just about making the sugar into a fine powder in your blender and voila: for confectioner's sugar you must also add 3% corn starch to your mixture, not just to prevent caking (as some have mentioned) but also because it helps make your icing congeal (come together) and stay as firm as you desire, holding its shape. It would otherwise be too thin and runny without it and your icing would dribble all over, and eventually off of your dessert (after all, corn starch is a thickener and binder). (09/28/2007)

    By ladybugjane

    How to Make Confectioners (Powdered) Sugar

    Is there anything else you can add to it besides corn starch? My daughter is allergic to corn? (12/28/2007)

    By Risa

    How to Make Confectioners (Powdered) Sugar

    Risa, we also have a food- and sugar-sensitive household, so I've been making powdered erythritol (of all exotic things). If you can't use corn starch, any form of powdered starch will work: potato starch, arrowroot, tapioca starch. You should be able to get any of this in a health-food store, if you can't find it in the regular grocery store. About a tablespoon of any starch per cup of sugar will do it. Starch keeps the sugar from getting all burnt and melty too. You can also whip this up in a small food processor, if you prefer. (01/13/2008)

    By McJohn

    Comment Was this helpful? Yes

    February 18, 20050 found this helpful
    Click to read more ideas from older posts on ThriftyFun.
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