Substitute for Caster Sugar: 2 Smart Options
The best substitute for caster sugar is White Sugar at a Same amount (1:1) ratio. There are 1 other alternatives below, each with exact ratios and usage notes.
Best Substitute
White Sugar
Same amount (1:1)
You can use White Sugar in place of caster sugar when needed. Use the same amount as the original ingredient. Taste near the end and fine-tune if the dish needs a little more punch.
What are the other substitutes for caster sugar?
Granulated sugar (processed fine)
Same amount (1:1)
Granulated sugar (processed fine) is a workable stand-in for caster sugar. Use the same amount as the original ingredient. Taste near the end and fine-tune if the dish needs a little more punch.
What should you know before substituting caster sugar?
White Sugar is the easiest starting point because it stays closest to caster sugar in everyday cooking. Use the same amount as the original ingredient. Choose the substitute that gets you closest in flavor, texture, and ease of use.
How do you substitute caster sugar in a recipe?
If you need to replace caster sugar in a recipe, White Sugar is the closest match at a Same amount (1:1) ratio. Granulated sugar (processed fine) is another option (Same amount (1:1)). Choose based on the flavor and texture your recipe needs.
The best substitute for caster sugar depends on what role it plays in your recipe. Our top recommendation is White Sugar (Same amount (1:1)), which works well for most recipes.
If you need a different option, Granulated sugar (processed fine) (Same amount (1:1)) is another reliable choice. Granulated sugar (processed fine) is a workable stand-in for caster sugar. Use the same amount as the original ingredient. Taste near the end and fine-tune if the dish needs a little more punch.
When substituting caster sugar, consider the flavor profile, texture, and cooking method of your recipe. For vegan alternatives, look for the options marked with the vegan badge above.
Substitution ratios verified against USDA FoodData Central. See our testing methodology for details.
Frequently Asked Questions
What is the best substitute for Caster Sugar?
White Sugar is the best place to start for caster sugar. Use a 1:1 swap and then adjust after tasting if the dish needs a little more intensity or balance.
How many substitutes are there for Caster Sugar?
This page lists 2 substitutes for caster sugar. The best pick depends on whether you want the closest flavor, similar texture, or simply the easiest pantry backup.