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Home » Desserts

How to make caster sugar from granulated sugar

21/09/2024 by Judith Leave a Comment

Make your own caster sugar at home from granulated sugar. Within minutes you will have a supply of fine sugar ready to use in your sweet baking recipes.

A bowl of sugar with a wooden spoon.

What is caster sugar? Caster sugar is extra fine sugar, or superfine sugar, which has smaller sugar crystals than granulated sugar.

It is lighter than granulated sugar and is ideal for making cakes including almond slices, chocolate banana muffins and Bakewell tart.

It also dissolves more quickly than granulated sugar making it suitable for recipes such as French lemon tart, apple custard tart, lemon drizzle cake and lemon drizzle cupcakes.

It is useful to know how to prepare your own caster sugar in case you run out or if the shops in your area do not stock it. And in some cases it can be better value for money too.

Jump to Recipe Print Recipe

Ingredients

  • Granulated sugar

How to prepare

Place the granulated sugar in a food processor, pulse for a few seconds and then check.

Your caster sugar will be ready when it is reduced to fine crystals.

Tip

Do not pulse for too long otherwise the sugar will become powdery.

How to store

Store in a clean airtight container such as a glass jar or tub with a tight fitting lid. 

Recipes using caster sugar

  • Lemon tart
    French lemon tart (tarte au citron)
    Cook Time1 Hours 45 Minutes
  • Double chocolate banana muffins
    Chocolate banana muffins
    Cook Time1 Hours
  • Cherry and almond Bakewell tart
    Cherry Bakewell tart (frangipane)
    Cook Time1 Hours 55 Minutes
  • Lemon drizzle cake
    Lemon drizzle cake
    Cook Time1 Hours 20 Minutes
A bowl of sugar with a wooden spoon.
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How to make caster sugar from granulated sugar

Make your own caster sugar at home from granulated sugar. Within minutes you will have a supply of extrafine sugar ready to use in your sweet baking recipes.
Prep Time0 minutes mins
Active Time2 minutes mins
Total Time2 minutes mins
Course: Dessert
Cuisine: American, British
Yield: 500 grams

Equipment

  • Food processor

Materials

  • 500 grams granulated sugar

Instructions

  • Measure the sugar into a food processor and pulse until the sugar crystals are reduced to fine crystals.

Notes

Don't pulse for too long otherwise the sugar will start to turn to a powder. 
How to store
Store in a clean airtight container such as a glass jar or tub with a tight fitting lid. 

More Desserts

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  • Pear and almond tart next to some pears and almonds.
    Pear and almond tart
  • Pastry rolled out on a board next to a rolling pin.
    Sweet pastry (without eggs)

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Welcome to Veggie Ideas! I'm Judith and I created this site out of a love of good food, home cooking and a desire to share recipes so that others can enjoy them too. 

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