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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Superfine sugar is a refined carbohydrate that provides quick energy but lacks essential vitamins and minerals. While it is useful for flavor and texture in cooking, it should be consumed in moderation as high intake is linked to weight gain and blood sugar spikes.
Superfine sugar is very calorie-dense, containing approximately 399 calories and 99.9g of carbohydrates per 100g. It contains no protein, fiber, or fat, making it a pure source of simple energy.
Most superfine sugar is vegan, but some brands use bone char in the refining process to achieve a white color. If you follow a strict vegan diet, look for sugar labeled as 'certified vegan' or 'organic,' as these do not use animal-derived processing agents.
No, superfine sugar is not keto-friendly. It consists almost entirely of sucrose, which will cause a rapid spike in blood glucose and insulin levels, immediately interrupting ketosis.
The primary difference is the crystal size; superfine sugar (also known as caster sugar) has much smaller crystals than granulated sugar. This allows it to dissolve much faster, making it ideal for meringues, cold drinks, and delicate batters.
Yes, you can create superfine sugar by pulsing regular granulated sugar in a food processor or clean spice grinder for about 30 to 60 seconds. Be careful not to over-process it, or you will end up with powdered sugar instead.
It is used because its fine texture incorporates more easily into fats and liquids, creating a lighter, more aerated structure in cakes. It also prevents a 'gritty' texture in recipes where the sugar isn't cooked for a long time, such as in shortbread or mousses.
superfine sugar is a versatile ingredient found in cuisines around the world. With 399 calories per 100g and valuable grams of protein, it's a nutritious addition to many dishes.
Explore more ingredients in the sweetener category with complete nutrition information.
View all sweetener →Discover 1 recipes featuring superfine sugar with step-by-step instructions.
Browse recipes →In most recipes, you can substitute them 1:1 by weight. However, in delicate recipes like meringues or sponge cakes, regular sugar may not dissolve fully, which can lead to a grainy texture or 'weeping' in the final product.
Store superfine sugar in an airtight container in a cool, dry place. Because the crystals are so small, they are highly susceptible to clumping if they are exposed to any moisture or humidity.
Sugar has an indefinite shelf life because it does not support bacterial growth. However, for the best quality and to prevent it from becoming a solid block, it is best used within two years of purchase.