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Caster Sugar

Fine-grain white sugar that dissolves quickly, used in baking and meringues.

Caster Sugar — illustrative ingredient image

About Caster Sugar

Caster sugar is a fine-grain white sugar used as a sweetener in baking, drinks, desserts, sauces, and meringues. Its relatively small crystals dissolve and disperse quickly, making it useful when sugar needs to blend smoothly into a mixture or liquid.

It has a clean, direct sweetness and a fine, dry, free-flowing texture. The small grains dissolve faster than ordinary granulated sugar, while still providing a dry crystalline form for creaming with butter or incorporating into batters. Once dissolved or heated, it no longer remains granular.

It is sold as dry white crystals, commonly in bags or other retail containers. The crystals can be measured directly, stirred into liquids, or mixed into batters and whipped preparations. When heated, they contribute sweetness and may help create a smooth syrup, caramel, or baked structure.

Ingredient type
sweetener

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Where caster sugar appears

0 linked foods

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Food connections are still being added.

No linked foods are available for this ingredient yet.

Name examples awaiting language review. Confirm the specific food or product.

Local names for caster sugar

Names and romanised forms to recognise on menus and labels.

English

caster sugar

English

castor sugar

Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.

Caster Sugar nutrition & diet

Caster Sugar nutritional value

Sugars, granulated

Per 100 g of the edible portion in the recorded food form.

Calories
387kcal
Protein
0.0g
Carbs
100.0g
Fat
0.0g

Per 100 g of the named reference food. Preparation, cultivar and product formulation can change these values; use the stated form when comparing.

Portions & preparation

Use the fine-grain granulated sugar as sold, and distinguish it from powdered sugar or syrups when matching a reference. Portion and recipe role matter because caster sugar is usually dissolved, creamed, or whipped into baked mixtures, desserts, drinks, and meringues rather than eaten alone.

Compare the right form: Reference fine-grain white granulated caster sugar, not powdered sugar, syrup, or a flavored blend; match the amount incorporated into the recipe.

Diet considerations

Caster sugar is plant-derived, though the source crop and processing are not established by the name alone. Plain sugar contains no animal ingredient in the described form, but recipes may include eggs, dairy, gelatin, honey, or cereal ingredients. Compatibility and carbohydrate pattern depend on the finished food.

AI-authored reading notes · Awaiting editorial review. Measured values, where available, have a separate source above.

Dietary compatibility

  • Vegan
    Not established
  • Vegetarian
    Not established
  • Pescatarian
    Not established
  • Keto
    Not established
  • Paleo
    Not established
  • Low-carb
    Not established
  • Halal
    Not established
  • Kosher
    Not established
What these diet assessments mean
Vegan · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Vegetarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Pescatarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Keto · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Paleo · Not established
The ingredient form and processing have not been assessed against this dietary pattern.
Low-carb · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Halal · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
Kosher · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.

For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.

Reviewed ingredient entryIngredient reference · Preparations vary

AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.

Sources & review

Nutrition reference: USDA FoodData Central — Sugars, granulated ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.

Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.

The ingredient description and dish connections come from the draft catalogue and may change after review.

Last recorded verification: .