What is superfine sugar? I have an Angel food recipe that calls for this. Can I grind regular sugar?

Superfine sugar is finely pulverized granulated sugar that dissolves much more quickly than regular granulated sugar.

You can pulse regular sugar in your food processor or blender a few times. Not long enough to make it as powdery as confectioners sugar, though.

It is obvious that there are a couple of people here that cant cook, my grand mother was a head cook at a top restaurant in london, and since then, superfine sugar has and always will be known as CASTER SUGAR, so thumbs down to all that said otherwise and thumbs up to all who said caster sugar.

You can whirl the requested amount of sugar in a blender for a minute or so. I think the purpose for this ingredient in a recipe it that plain sugar may feel grainy in the eating of it.

It's called caster sugar in the Uk, also confectioner's sugar.

It's finer than everyday's sugar, like the kind you put in your hot drinks, but coarser than icing sugar which is like a powder.

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caster sugar. it's very fine sugar. also makes a nice caramel

Sure you can...just blend it...