All About Superfine Sugar

How to Make Superfine Sugar and When to Use It

Domino Superfine sugar

Superfine sugar also called bar sugar (since bartenders love its dissolvability in cold drinks) and caster sugar or castor sugar in the UK might not be a pantry staple for you – yet – but it does serve its purpose in the sweet kitchen. It is, just like is sounds – extra fine white granulated sugar. There are certain times we will use it in the Test Kitchen and this is a primer on what it is, how to use it, how to make it and when not to use it. In the image below you can see the superfine far left, standard granulated in the middle and large decorating sugar on the right. (Read more at All About Standard Baking Sugars).

sugar comparison

  • We use Domino Superfine Sugar – it has a new airtight package that makes it easy to pour and store, which we like. You just press and flip open the top. The downside is that is only 12 ounces in size, which is not a lot.
  • You can substitute superfine sugar for granulated sugar in most recipes. Because it is finer, there is ever so slightly more superfine sugar per cup than regular granulated, but I have always substituted 1 to 1 and had great success.
  • That said, if a recipe calls for superfine, use it. If it calls for regular granulated, we recommend you use that.
  • Superfine sugar dissolves readily in meringue mixtures and also in cream when whipping. You might see it called for in angel food cake recipes, too.
  • We like to use superfine sugar to make Crystallized Flowers as its extra-fine granule sparkles so nicely and coats the delicate petals so well and evenly.
  • If you need superfine sugar for incorporating into a recipe, such as adding to a meringue mixture, you can make your own by buzzing regular granulated sugar in the bowl of a food processor fitted with a metal blade.
  • We do not recommend that you use “homemade” superfine sugar for coating flowers or fruit when crystallizing because your homemade version will not be as sparkly as the commercially prepared. In fact it might be a bit powdery. That’s fine for beating into egg whites for a soufflé, but not good enough to provide a pretty, sparkling visual effect.

Top Image: Peter Muka

Bottom Image: Dédé Wilson

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