- 1 1/2 cups icing sugar
Pure carbohydrate with negligible nutritional value beyond calories; provides no fiber, vitamins, or minerals, though the cornstarch addition contributes minimal carbohydrates and resistant starch in small quantities.
About
Icing sugar, also known as powdered sugar, confectioners' sugar, or icing powder, is a finely ground refined cane or beet sugar mixed with a small amount of cornstarch or anti-caking agent. The sugar is pulverized to an extremely fine powder, typically 10 times finer than granulated sugar, creating a texture resembling flour. This processing gives icing sugar its characteristic smooth, talc-like consistency. The cornstarch addition (usually 3-5%) prevents clumping in humid environments and aids in the dissolution of the sweetener when mixed with liquids.
Culinary Uses
Icing sugar is the primary ingredient in frostings, icings, and glazes for cakes, cupcakes, cookies, and pastries. It dissolves quickly and completely when mixed with butter, cream, or liquid, creating smooth, spreadable coatings. The fine texture also makes it ideal for dusting baked goods, producing a refined presentation. In confectionery work, it serves as the base for fondant, royal icing, and buttercream preparations. Due to its rapid dissolving properties, icing sugar is also used in whipped cream, mousses, and other delicate preparations where granulated sugar might leave a grainy texture.