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Best Granulated Sugar Substitute in Biscuits

The best substitute for Granulated Sugar in Biscuits is Caster Sugar because it has a similar sweetness and dissolves more quickly, ensuring even sweetness and proper texture without altering the biscuit's crumb.

Last Reviewed March 25, 2026
Reviewer IngredientSwap Culinary Team
Methodology Data-driven analysis & culinary science review

Top 5 Granulated Sugar Substitutes for Biscuits

Substitute Ratio
Caster Sugar Best 1:1 by volume Dissolves faster than granulated sugar, leading to a finer crumb and consistent sweetness.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free
Superfine Sugar 1:1 by volume Works similarly to caster sugar with quick dissolution and minimal impact on texture.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free
Powdered Sugar (Confectioners' Sugar) 1 cup powdered sugar to 1 1/4 cups granulated sugar Contains cornstarch which can slightly affect dough texture, making biscuits a bit more tender and less flaky.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free
Erythritol 1:1 by volume Provides sweetness without calories but may cause a slight cooling sensation and less browning.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free
Sucanat 1:1 by volume Unrefined sugar with molasses content that can add a mild caramel flavor and slightly coarser texture.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free

Deeper Dive: Using Granulated Sugar Substitutes in Biscuits

What Actually Happens in Practice?

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Common Mistakes to Avoid

How Results Can Vary

Edge Cases & Exceptions

Detailed Guide: Each Granulated Sugar Substitute in Biscuits

Caster Sugar

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1:1 by volume
Quick tip: Dissolves faster than granulated sugar, leading to a finer crumb and consistent sweetness.

Caster sugar is essentially a finer granulated sugar, which allows it to dissolve more readily in the biscuit dough. This helps maintain the intended texture and sweetness without adding moisture or altering the flavor profile.

When using caster sugar, ensure it is well incorporated to avoid any graininess. It is especially effective in cold doughs where sugar dissolution is slower.

The final biscuit will have a texture and sweetness nearly identical to those made with granulated sugar, with potentially a slightly more tender crumb due to better sugar integration.

Superfine Sugar

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1:1 by volume
Quick tip: Works similarly to caster sugar with quick dissolution and minimal impact on texture.

Superfine sugar is another term for caster sugar and functions the same way in biscuit recipes. Its fine crystals dissolve quickly, ensuring even sweetness and consistent texture.

Use it as a direct replacement without adjusting other ingredients. It is particularly useful in recipes where sugar needs to be fully dissolved to avoid graininess.

The resulting biscuits will closely mimic those made with granulated sugar, maintaining the expected flakiness and crumb.

Powdered Sugar (Confectioners' Sugar)

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1 cup powdered sugar to 1 1/4 cups granulated sugar
Quick tip: Contains cornstarch which can slightly affect dough texture, making biscuits a bit more tender and less flaky.

Powdered sugar is finely ground granulated sugar mixed with a small amount of cornstarch to prevent clumping. The fine texture allows it to dissolve quickly, but the cornstarch can slightly alter the biscuit dough's structure by absorbing moisture.

When substituting, use a slightly higher volume to compensate for the reduced sweetness and bulk. Be cautious not to overmix, as the cornstarch can make the dough denser.

Biscuits made with powdered sugar tend to be more tender and less flaky, with a slightly different mouthfeel compared to those made with granulated sugar.

Erythritol

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1:1 by volume
Quick tip: Provides sweetness without calories but may cause a slight cooling sensation and less browning.

Erythritol is a sugar alcohol that mimics the sweetness of sugar without the calories. It dissolves well in dough and does not add moisture, making it a reasonable substitute in biscuits.

Watch for the cooling effect erythritol can impart, which some may find noticeable. Additionally, biscuits may brown less due to the lack of sugar caramelization.

The texture remains similar, but the flavor profile may be slightly different, and the biscuits might be paler and less crisp on the edges.

Sucanat

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1:1 by volume
Quick tip: Unrefined sugar with molasses content that can add a mild caramel flavor and slightly coarser texture.

Sucanat is whole cane sugar that retains molasses, giving it a more complex flavor and darker color. It can be used as a substitute in biscuits to add depth but may affect texture due to its coarser crystals.

To improve incorporation, pulse it in a food processor or dissolve in a small amount of warm liquid before adding to the dough.

Biscuits will have a richer flavor and a slightly denser crumb, with a more rustic appearance compared to those made with granulated sugar.

Vegan Granulated Sugar Substitutes for Biscuits

Full Vegan guide →
Caster Sugar
Ratio: 1:1 by volume

Dissolves faster than granulated sugar, leading to a finer crumb and consistent sweetness.

Superfine Sugar
Ratio: 1:1 by volume

Works similarly to caster sugar with quick dissolution and minimal impact on texture.

Powdered Sugar (Confectioners' Sugar)
Ratio: 1 cup powdered sugar to 1 1/4 cups granulated sugar

Contains cornstarch which can slightly affect dough texture, making biscuits a bit more tender and less flaky.

Erythritol
Ratio: 1:1 by volume

Provides sweetness without calories but may cause a slight cooling sensation and less browning.

Sucanat
Ratio: 1:1 by volume

Unrefined sugar with molasses content that can add a mild caramel flavor and slightly coarser texture.

Gluten-Free Granulated Sugar Substitutes for Biscuits

Full Gluten-Free guide →
Caster Sugar
Ratio: 1:1 by volume

Dissolves faster than granulated sugar, leading to a finer crumb and consistent sweetness.

Superfine Sugar
Ratio: 1:1 by volume

Works similarly to caster sugar with quick dissolution and minimal impact on texture.

Powdered Sugar (Confectioners' Sugar)
Ratio: 1 cup powdered sugar to 1 1/4 cups granulated sugar

Contains cornstarch which can slightly affect dough texture, making biscuits a bit more tender and less flaky.

Erythritol
Ratio: 1:1 by volume

Provides sweetness without calories but may cause a slight cooling sensation and less browning.

Sucanat
Ratio: 1:1 by volume

Unrefined sugar with molasses content that can add a mild caramel flavor and slightly coarser texture.

Dairy-Free Granulated Sugar Substitutes for Biscuits

Full Dairy-Free guide →
Caster Sugar
Ratio: 1:1 by volume

Dissolves faster than granulated sugar, leading to a finer crumb and consistent sweetness.

Superfine Sugar
Ratio: 1:1 by volume

Works similarly to caster sugar with quick dissolution and minimal impact on texture.

Powdered Sugar (Confectioners' Sugar)
Ratio: 1 cup powdered sugar to 1 1/4 cups granulated sugar

Contains cornstarch which can slightly affect dough texture, making biscuits a bit more tender and less flaky.

Erythritol
Ratio: 1:1 by volume

Provides sweetness without calories but may cause a slight cooling sensation and less browning.

Sucanat
Ratio: 1:1 by volume

Unrefined sugar with molasses content that can add a mild caramel flavor and slightly coarser texture.

What NOT to Use as a Granulated Sugar Substitute in Biscuits

✗ Honey

Honey introduces additional moisture and acidity, which can disrupt the biscuit's texture, making it denser and potentially causing uneven rising.

✗ Molasses

Molasses has a strong flavor and high moisture content that can overpower the delicate biscuit flavor and negatively affect the crumb structure.

✗ Brown Sugar

Brown sugar's moisture and molasses content can make biscuits softer and chewier, which is undesirable when a flaky, tender texture is preferred.

Sources & Methodology

Cross-referenced against USDA FoodData Central nutritional data and peer-reviewed culinary science publications. Source URLs verified as of the sources_verified_date.

Need to substitute other ingredients in Biscuits?

All substitutes for Biscuits →

Granulated Sugar Substitutes in Other Recipes

View all Granulated Sugar substitutes →

In-Depth Guides

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