box powdered sugar

Powdered sugar, also known as confectioners' sugar or icing sugar, is a refined sweetener produced by grinding granulated white sugar into an extremely fine powder and mixing it with a small amount of cornstarch or tapioca starch to prevent caking and clumping. The ingredient originated in Europe during the 17th century when mechanical grinding technology made large-scale production feasible. It is characterized by its ultra-fine texture, bright white color, and dissolves instantly in liquids, making it ideal for applications requiring a smooth, lump-free consistency.

Powdered sugar is the primary sweetener for icings, frostings, glazes, and fondants due to its fine texture and ability to create smooth, spreadable mixtures without grittiness. It is commonly used in baked goods, confections, and desserts—including buttercream frostings, royal icing, donut glazes, and dusted toppings for pastries and cakes. The ingredient dissolves readily in minimal liquid, making it essential for whipped toppings and delicate preparations. It may be sifted before use to eliminate clumps or to incorporate air into dry mixtures for lighter baked textures.