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    Home » Recipes » Recent Recipes

    How to Make Icing Sugar at Home

    Last Updated On: Jan 9, 2026 by Aarthi

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    Jump to Recipe Pin Recipe

    Homemade Icing Sugar is made using regular sugar and cornflour | cornstarch. You can use this to make for frostings and dessert making. All you need is granulated sugar and cornstarch which is powdered together till super fine texture. Best and easy hack to have on hand when you run out of icing sugar.

    Icing Sugar Recipe

    How to Make Icing sugar / How to Make Powdered Sugar / How to Make Confectioners Sugar at Home. Making this at home is really easy. All you need is sugar and cornflour. This icing sugar is used in frosting and icing recipes because of its super fine texture.

    Jump to:
    • About Icing Sugar
    • Ingredients
    • Step by Step Pictures
    • 📖 Get Recipe

    The sugar has to be powdered super fine which then gives you the creamy texture to frosting. Adding cornstarch in this gives some body to the sugar and makes it more creamy when added into frosting.

    About Icing Sugar

    Icing sugar is also known as confectioners sugar or sometimes called as powdered sugar. It is one of the main ingredient in frosting or icing when it comes to baking. Icing sugar is nothing but super fine powdered sugar with cornstarch added to create the stablizing texture.

    Sometimes, when we plan to bake a cake or cupcakes and decorate them with icing, we suddenly realize we've run out of icing sugar. That's when this simple recipe comes in handy and saves the day. Just blend together granulated sugar with cornstarch and sieve, you have made icing sugar.

    Recipes like this comes handy when we run out of certain ingredients. One such recipe which I developed is this flour butter cream, when I realized that I have no more confectioners sugar at home. It turned out so great, that i make it often now than regular buttercream.

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    Ingredients

    Granulated Sugar - use granulated sugar for making this recipe which powders evenly. You can even add castor sugar if that is what you have on hand.

    Cornstarch - cornstarch is used and not cornflour. The starch helps thicken and stabilize the icing sugar when you use them in recipe.


    Step by Step Pictures

    1)Making icing sugar at home is super easy. All you need is a blender and a sieve. First take sugar in a blender.

    2)Add in cornstarch. This is cornstarch and not cornflour.

    3)Run the blender for at least 1 to 2 minutes until the sugar is powdered super fine. You might need to scrape the sides every now and then for even blending.

    4) Now add the powdered sugar in a super fine sieve. It is important to use the finest sieve you have.

    5)Sieve the mixture.

    6)These are the granulated mixture that might fine mesh sieve catched. it is recommend that you triple sieve the mixture for super fine icing sugar.

    7)Your homemade icing sugar is ready to use.

    8)You can store this in a container. Use them in frosting, icing and recipes that calls for icing sugar.


    • Use cornstarch and not cornflour. Don't add more than the mentioned amount. else your icing sugar might have a floury taste.
    • Use fine mesh sieve to sift the mixture to get super fine confectioners sugar.
    • if your blender is not that powerful, It is important to blend the sugar for atleast 3 to 4 minutes. 
    • If you need flavoured icing sugar, you can add some vanilla powder when blending the sugar.

    Storage & Serving

    Store it in an air tight container for upto 3 months. Use this for frosting, icing or recipes that calls for icing sugar.


    📖 Get Recipe

    Homemade Icing Sugar | How to Make Confectioners Sugar at Home

    Homemade Icing Sugar is made using regular sugar and cornflour | cornstarch. You can use this to make for frostings and dessert making. All you need is granulated sugar and cornstarch which is powdered together till super fine texture. Best and easy hack to have on hand when you run out of icing sugar.
    4.60 from 15 votes
    Print Recipe Pin Recipe
    Prep Time 5 minutes mins
    Cook Time 0 minutes mins
    0 minutes mins
    Total Time 5 minutes mins
    Course Dessert
    Cuisine American
    Servings 1 cup
    Calories 800 kcal

    Equipment

    Blender
    Fine Mesh Sieve

    Ingredients
      

    • 1 cup Granulated Sugar
    • 1 tablespoon Cornstarch

    Instructions
     

    • Take both sugar and cornstarch in a blender and blend for 3 to 4 mins till it is powdered really really fine.
    • Take the mixture in a fine mesh sieve and sift them. You have to use fine mesh sieve for sifting to achieve super fine icing sugar. Repeat the sifting for atleast 2 to 3 times to get super fine icing sugar.
    • Store it in an air tight container. Use this for frosting, icing or recipes that calls for icing sugar.

    Notes

    • Use cornstarch and not cornflour. Don't add more than the mentioned amount. else your icing sugar might have a floury taste.
    • Use fine mesh sieve to sift the mixture to get super fine confectioners sugar.
    • if your blender is not that powerful, It is important to blend the sugar for atleast 3 to 4 minutes. 
    • If you need flavoured icing sugar, you can add some vanilla powder when blending the sugar.

    Storage & Serving

    Store it in an air tight container for upto 3 months. Use this for frosting, icing or recipes that calls for icing sugar.
     

    Nutrition

    Nutrition Facts
    Homemade Icing Sugar | How to Make Confectioners Sugar at Home
    Serving Size
     
    1 cup
    Amount per Serving
    Calories
    800
    % Daily Value*
    Fat
     
    1
    g
    2
    %
    Sodium
     
    3
    mg
    0
    %
    Potassium
     
    4
    mg
    0
    %
    Carbohydrates
     
    207
    g
    69
    %
    Fiber
     
    0.1
    g
    0
    %
    Sugar
     
    200
    g
    222
    %
    Protein
     
    0.02
    g
    0
    %
    Calcium
     
    2
    mg
    0
    %
    Iron
     
    0.1
    mg
    1
    %
    * Percent Daily Values are based on a 2000 calorie diet.
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    If you have any questions not covered in this post and if you need help, leave me a comment or mail me @aarthi198689@gmail.com and I'll help as soon as I can.

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    About Aarthi

    Over the past few years I’ve been on a mission to find and create recipes that I can make from scratch. I hope you enjoy the recipes on this blog as they are tried and true from my kitchen to yours!

    Reader Interactions

    Comments

      4.60 from 15 votes (5 ratings without comment)

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      Recipe Rating




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    1. Satyajit Bose

      at

      ����Thanks for the recipe.

      Reply
    2. Sherin Ms

      at

      The icing we use for Christmas cookies every year is very similar. just substitute lemon extract for the vanilla and add a few festive food coloring. Used this approach as I had ran out of icing sugar. i like including a sprint of cinnamon to sugar icing for pumpkin scones.I am currently working as best essay writing service provider, I love cooking.. keep posting like this. I am waiting for your next post.

      Reply
    3. red rice

      at

      Really nice post, your blog is interesting and so informative. Wait for your next blog post.

      Reply
    4. Sno

      at

      Hi
      Would you please give recipe of cake made with yeast instead of baking powder?

      Reply
      • Aarthi

        at

        sure will try to make it.

        Reply
    5. Jennie

      at

      5 stars
      I will save this useful information, it is really needed.

      Reply
    6. Robert Cantin

      at

      5 stars
      sure will try to make it.

      Reply
    7. Martha Owens

      at

      5 stars
      Can I use brown sugar to make icing sugar? slope game asks.

      Reply
    8. buckjones

      at

      5 stars
      sugar and flour? i always have these on hand. i can make it right now.

      Reply
    9. Cheese Chompers 3D

      at

      Wow, that's such a handy trick! I always end up buying icing sugar. Now I can just make it at home with stuff I already have. Super useful, thanks for sharing!

      Reply
    10. Internet Roadtrip

      at

      Ooh, this homemade icing sugar recipe looks super easy! Definitely gonna try this next time I'm baking. No more store-bought stuff for me, haha! Thanks for sharing!

      Reply
    11. bear clicker

      at

      This is so simple and helpful! I always wondered how to make icing sugar myself. Gonna try this out for my next baking project.

      Reply
    12. Doodle basball

      at

      5 stars
      For anyone needing GF, arrowroot powder works just as well as cornflour. I use this method weekly for my daughter's allergy-friendly cupcakes. Pro tip: pulse in small batches for finest powder.

      Reply
    13. AI prompt generator

      at

      5 stars
      This homemade icing sugar method is a game-changer! So simple with just sugar and cornflour - my frostings have never been smoother. Thanks for the brilliant hack!

      Reply
    14. Photo to video ai

      at

      5 stars
      I'd write something like: 'This is a great tip! I've always wondered how to make my own. So useful!

      Reply
      • nano banana

        at

        5 stars
        Making icing sugar at home is so easy! This recipe is a lifesaver.

        Reply
    15. Ivana

      at

      5 stars
      So handy! I never realized how simple it is to make icing sugar at home. Love that it only takes a blender and a couple of minutes, perfect for those times when you run out mid-recipe. Adding cornstarch for that creamy frosting texture is such a smart tip too.

      Reply
    16. coreball

      at

      5 stars
      This is a wonderful recipe for homemade icing sugar! The step-by-step instructions are very clear and easy to follow. I appreciate how you explained the process of making icing sugar at home using simple ingredients. This will be very useful for baking and decorating cakes. Thank you for sharing this helpful recipe!

      Reply
    17. Market Street

      at

      That detail about the stabilizing texture really brings home how crucial cornstarch is, doesn't it? It's like the secret ingredient that turns sugar into a work of art!

      Reply
    18. Abgerny

      at

      It's so helpful that you clarified the difference between cornstarch and cornflour for this recipe, as that's a mistake I could easily see someone making. Thanks for the tip!

      Reply
    19. Abgerny

      at

      It's so helpful that you clarified the difference between cornstarch and cornflour for this recipe, as that's a mistake I could easily see someone making. Thanks for the tip I found this especially useful.!

      Reply
    20. scratch

      at

      I never realized that cornstarch added to powdered sugar actually helps stabilize it in frostings! That's a great tip, and makes perfect sense for getting that smooth consistency.

      Reply
    21. scratch

      at

      I never realized that cornstarch added to powdered sugar actually helps stabilize it in frostings! That's a great tip, and makes perfect sense for getting that smooth consistency I found this especially useful.!

      Reply
    22. Scratch Sprunki

      at

      It's smart to mention using a fine sieve and even triple sieving for the best results. I often find lumps in my homemade powdered sugar, so this tip will definitely help get that super fine texture for frostings. Thanks for sharing!

      Reply
    23. sprunki one

      at

      It's so helpful that you clarified the difference between cornstarch and cornflour for this recipe. That detail often gets overlooked!

      Reply

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