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White Sugar vs. Caster Sugar: Know the Difference

Shumaila Saeed
By Shumaila Saeed || Updated on December 25, 2023
White sugar is regular granulated sugar with medium-sized crystals, while caster sugar has finer crystals, dissolving more quickly, ideal for baking.
White Sugar vs. Caster Sugar

Key Differences

White sugar, also known as granulated sugar, is the most common form of sugar used in households and various culinary applications. It consists of medium-sized crystals that are visible to the naked eye. Caster sugar, however, has a finer texture with smaller crystals, making it particularly suitable for baking, as it dissolves more easily than white sugar.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023
While white sugar is versatile and used in a wide range of cooking and baking recipes, its larger crystals can sometimes be detected in finer pastries and desserts. Caster sugar, due to its fine texture, is ideal for delicate recipes like meringues, mousses, and soufflés, where a quick dissolution of sugar is desired.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023
In terms of production, white sugar is processed to remove molasses and crystallized to its medium-sized granules. Caster sugar undergoes a similar process but is ground to a finer consistency, which lies between granulated sugar and powdered sugar in terms of texture.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023
White sugar is commonly used for sweetening beverages, general cooking, and as a topping, due to its texture and sweetening power. Caster sugar, while also used for sweetening, is more frequently found in recipes where a finer sugar is needed to create a more uniform and smooth texture.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023
Both white sugar and caster sugar are derived from the same sources, typically sugar cane or sugar beet, and have the same chemical composition. However, the difference in crystal size affects how they are used in culinary practices, with caster sugar often preferred in finer, more delicate baking.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023
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Comparison Chart

Crystal Size

Medium-sized
Finer
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Shumaila Saeed
Dec 10, 2023

Dissolving Rate

Slower than caster sugar
Faster than white sugar
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Shumaila Saeed
Dec 10, 2023

Ideal Use

General cooking, beverages
Delicate baking, meringues
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Shumaila Saeed
Dec 10, 2023

Texture

Visible granules
Smoother, less grainy
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Shumaila Saeed
Dec 10, 2023

Sweetening Power

Standard, suitable for most uses
Quick to dissolve, ideal for fine textures
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White Sugar and Caster Sugar Definitions

White Sugar

It is the most common form of sugar in household kitchens.
White sugar is a staple in many pantry cupboards.
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Shumaila Saeed
Dec 03, 2023

Caster Sugar

Caster sugar is also known as superfine sugar in some regions.
She checked the label to ensure it was caster sugar, not powdered sugar.
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Shumaila Saeed
Dec 03, 2023

White Sugar

White sugar is processed sugar with removed molasses content.
White sugar is commonly used in baking cookies.
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Shumaila Saeed
Dec 03, 2023

Caster Sugar

Caster sugar has smaller crystals than regular white sugar.
For her sponge cake, she always uses caster sugar.
Shumaila Saeed
Shumaila Saeed
Dec 03, 2023

White Sugar

White sugar is regular, medium-crystal granulated sugar.
She stirred two teaspoons of white sugar into her coffee.
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Shumaila Saeed
Dec 03, 2023
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Caster Sugar

Caster sugar is fine granulated sugar, ideal for baking.
Caster sugar is preferred for its quick dissolving in meringues.
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Shumaila Saeed
Dec 03, 2023

White Sugar

White sugar is derived from sugar cane or sugar beets.
Most white sugar in the U.S. comes from sugar beets.
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Shumaila Saeed
Dec 03, 2023

Caster Sugar

Caster sugar provides a smooth texture in baked goods.
Caster sugar helped her achieve a perfectly smooth icing.
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Shumaila Saeed
Dec 03, 2023

White Sugar

White sugar is versatile for cooking, baking, and sweetening.
She sprinkled white sugar over the grapefruit halves.
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Shumaila Saeed
Dec 03, 2023

Caster Sugar

It's used in recipes requiring quick dissolution of sugar.
Caster sugar is great for sweetening cold drinks.
Shumaila Saeed
Shumaila Saeed
Dec 03, 2023

Repeatedly Asked Queries

Why is caster sugar preferred in meringues?

Due to its finer texture and quick dissolving property.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Can I make caster sugar from white sugar?

Yes, by grinding white sugar to a finer consistency.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Is caster sugar sweeter than white sugar?

No, they have the same sweetness level.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Can I substitute white sugar for caster sugar in recipes?

Yes, but the texture may differ slightly.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Can I use white sugar in beverages instead of caster sugar?

Yes, though it might take longer to dissolve.
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Shumaila Saeed
Dec 10, 2023

Is white sugar better for making syrups?

Yes, due to its slower dissolving rate.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Does caster sugar affect the texture of cakes?

Yes, it can make cakes lighter and finer.
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Shumaila Saeed
Dec 10, 2023

Can I use caster sugar in coffee?

Yes, it dissolves quickly in hot beverages.
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Shumaila Saeed
Dec 10, 2023

Is white sugar healthier than caster sugar?

No, they are nutritionally similar.
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Shumaila Saeed
Dec 10, 2023

Can caster sugar be used for caramelizing?

Yes, but it will melt and caramelize faster.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Is caster sugar more expensive than white sugar?

It can be, depending on the brand and location.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Can caster sugar be used in savory dishes?

Yes, particularly in sauces and glazes.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Do white sugar and caster sugar come from different sources?

No, both are typically derived from sugar cane or beets.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Does caster sugar dissolve in cold mixtures?

Yes, it dissolves better than white sugar in cold liquids.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Does the finer texture of caster sugar affect baking time?

Not significantly, but it can affect texture.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Does caster sugar change the flavor of recipes?

No, but it can change the texture.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Is white sugar suitable for frosting?

Not usually; caster or powdered sugar is better.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Is white sugar more common than caster sugar?

Yes, in general culinary use.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Are there any recipes where only caster sugar should be used?

Delicate pastries and meringues often require caster sugar.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

Is white sugar coarser than caster sugar?

Yes, it has larger crystals.
Shumaila Saeed
Shumaila Saeed
Dec 10, 2023

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About Author
Shumaila Saeed
Written by
Shumaila Saeed
Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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