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Best Powdered Sugar Substitute in Sugar Cookies

5 tested options with exact ratios, science-backed explanations, and tips for success.

Quick Answer

The best substitute for Powdered Sugar in Sugar Cookies is a Granulated Sugar and Cornstarch Blend because it mimics the fine texture and anti-caking properties of powdered sugar, ensuring proper sweetness and texture without altering the cookie structure.

Top 5 Powdered Sugar Substitutes for Sugar Cookies

Substitute Ratio
Granulated Sugar and Cornstarch Blend (Best) 1 cup powdered sugar = 1 cup granulated sugar + 1 tablespoon cornstarch
Superfine (Caster) Sugar 1 cup powdered sugar = 1 cup superfine sugar
Confectioners’ Sugar Substitute (Granulated Sugar Ground Fine) 1 cup powdered sugar = 1 cup granulated sugar ground into powder
Erythritol Powdered Substitute 1 cup powdered sugar = 1 cup powdered erythritol
Maple Sugar 1 cup powdered sugar = 1 cup maple sugar

Detailed Guide: Each Powdered Sugar Substitute in Sugar Cookies

Granulated Sugar and Cornstarch Blend (Best Option)

1 cup powdered sugar = 1 cup granulated sugar + 1 tablespoon cornstarch
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Quick tip: The cornstarch prevents clumping and mimics the fine texture of powdered sugar, maintaining cookie structure and mouthfeel.

Granulated sugar provides the sweetness, but its larger crystals can affect texture. Adding cornstarch reduces clumping and simulates the powdery consistency of powdered sugar, which is important for even mixing and smooth dough.

For best results, pulse granulated sugar with cornstarch in a food processor until very fine and powdery before measuring. Watch for slight changes in dough handling as it may be less immediately smooth.

The final cookies will be very close in texture and sweetness to those made with powdered sugar, with a slightly less melt-in-the-mouth feel but no significant compromise in quality.

Superfine (Caster) Sugar

1 cup powdered sugar = 1 cup superfine sugar
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Quick tip: Superfine sugar dissolves better than granulated sugar but lacks the powdery texture, which may slightly affect dough smoothness.

Superfine sugar has smaller crystals than regular granulated sugar, allowing it to dissolve more readily in the dough, which helps maintain sweetness and texture.

Use superfine sugar directly but expect a slightly grainier dough and a less tender crumb. It’s best to mix thoroughly to encourage dissolution.

Cookies will be slightly less tender and may have a subtle crystalline texture but remain flavorful and structurally sound.

Confectioners’ Sugar Substitute (Granulated Sugar Ground Fine)

1 cup powdered sugar = 1 cup granulated sugar ground into powder
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Quick tip: Grinding granulated sugar finely can approximate powdered sugar but lacks cornstarch, so clumping may occur and texture may differ.

Grinding granulated sugar in a blender or food processor reduces crystal size, approximating powdered sugar’s texture. However, without cornstarch, it can clump and affect dough consistency.

To mitigate clumping, add a small pinch of cornstarch if possible. Use immediately after grinding for best results.

Cookies may have slight textural differences and less smooth dough but will maintain sweetness and overall cookie integrity.

Erythritol Powdered Substitute

1 cup powdered sugar = 1 cup powdered erythritol
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Quick tip: Erythritol powder mimics powdered sugar’s texture and sweetness but can have a cooling aftertaste and may affect browning.

Powdered erythritol is a sugar alcohol that can be processed to a fine powder, providing bulk and sweetness similar to powdered sugar without calories.

Use erythritol powder directly, but note that it may not caramelize or brown as sugar does, potentially affecting cookie color and flavor.

Final cookies will be lower in calories and sugar but may have a slight cooling sensation and lighter color compared to traditional sugar cookies.

Maple Sugar

1 cup powdered sugar = 1 cup maple sugar
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Quick tip: Maple sugar is granular and imparts a distinct maple flavor, which changes the classic sugar cookie taste.

Maple sugar is dehydrated maple syrup crystallized into granules that provide sweetness and a unique flavor profile.

It dissolves less readily than powdered sugar and adds moisture, so dough texture and spread may be altered. Use when a maple flavor is desired.

Cookies will have a richer, more complex flavor but deviate from the traditional sugar cookie taste and texture.

Vegan Powdered Sugar Substitutes for Sugar Cookies

Full Vegan guide →
Granulated Sugar and Cornstarch Blend
Ratio: 1 cup powdered sugar = 1 cup granulated sugar + 1 tablespoon cornstarch

The cornstarch prevents clumping and mimics the fine texture of powdered sugar, maintaining cookie structure and mouthfeel.

Superfine (Caster) Sugar
Ratio: 1 cup powdered sugar = 1 cup superfine sugar

Superfine sugar dissolves better than granulated sugar but lacks the powdery texture, which may slightly affect dough smoothness.

Confectioners’ Sugar Substitute (Granulated Sugar Ground Fine)
Ratio: 1 cup powdered sugar = 1 cup granulated sugar ground into powder

Grinding granulated sugar finely can approximate powdered sugar but lacks cornstarch, so clumping may occur and texture may differ.

Erythritol Powdered Substitute
Ratio: 1 cup powdered sugar = 1 cup powdered erythritol

Erythritol powder mimics powdered sugar’s texture and sweetness but can have a cooling aftertaste and may affect browning.

Maple Sugar
Ratio: 1 cup powdered sugar = 1 cup maple sugar

Maple sugar is granular and imparts a distinct maple flavor, which changes the classic sugar cookie taste.

Gluten-Free Powdered Sugar Substitutes for Sugar Cookies

Full Gluten-Free guide →
Granulated Sugar and Cornstarch Blend
Ratio: 1 cup powdered sugar = 1 cup granulated sugar + 1 tablespoon cornstarch

The cornstarch prevents clumping and mimics the fine texture of powdered sugar, maintaining cookie structure and mouthfeel.

Superfine (Caster) Sugar
Ratio: 1 cup powdered sugar = 1 cup superfine sugar

Superfine sugar dissolves better than granulated sugar but lacks the powdery texture, which may slightly affect dough smoothness.

Confectioners’ Sugar Substitute (Granulated Sugar Ground Fine)
Ratio: 1 cup powdered sugar = 1 cup granulated sugar ground into powder

Grinding granulated sugar finely can approximate powdered sugar but lacks cornstarch, so clumping may occur and texture may differ.

Erythritol Powdered Substitute
Ratio: 1 cup powdered sugar = 1 cup powdered erythritol

Erythritol powder mimics powdered sugar’s texture and sweetness but can have a cooling aftertaste and may affect browning.

Maple Sugar
Ratio: 1 cup powdered sugar = 1 cup maple sugar

Maple sugar is granular and imparts a distinct maple flavor, which changes the classic sugar cookie taste.

Dairy-Free Powdered Sugar Substitutes for Sugar Cookies

Full Dairy-Free guide →
Granulated Sugar and Cornstarch Blend
Ratio: 1 cup powdered sugar = 1 cup granulated sugar + 1 tablespoon cornstarch

The cornstarch prevents clumping and mimics the fine texture of powdered sugar, maintaining cookie structure and mouthfeel.

Superfine (Caster) Sugar
Ratio: 1 cup powdered sugar = 1 cup superfine sugar

Superfine sugar dissolves better than granulated sugar but lacks the powdery texture, which may slightly affect dough smoothness.

Confectioners’ Sugar Substitute (Granulated Sugar Ground Fine)
Ratio: 1 cup powdered sugar = 1 cup granulated sugar ground into powder

Grinding granulated sugar finely can approximate powdered sugar but lacks cornstarch, so clumping may occur and texture may differ.

Erythritol Powdered Substitute
Ratio: 1 cup powdered sugar = 1 cup powdered erythritol

Erythritol powder mimics powdered sugar’s texture and sweetness but can have a cooling aftertaste and may affect browning.

Maple Sugar
Ratio: 1 cup powdered sugar = 1 cup maple sugar

Maple sugar is granular and imparts a distinct maple flavor, which changes the classic sugar cookie taste.

❌ What NOT to Use as a Powdered Sugar Substitute in Sugar Cookies

Brown Sugar

Brown sugar contains moisture and molasses, which can make sugar cookies spread more and become chewier rather than crisp. It also imparts a strong caramel flavor that changes the classic sugar cookie profile.

Raw Turbinado Sugar

Raw turbinado sugar crystals are too coarse and do not dissolve well in cookie dough, leading to a gritty texture and uneven sweetness distribution, which negatively affects the delicate crumb of sugar cookies.

Honey or Liquid Sweeteners

Liquid sweeteners add moisture that alters dough consistency and spread, resulting in a softer, denser cookie rather than the intended tender, crisp texture typical of sugar cookies.

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