The Role of Caster Sugar in Cakes, Cookies, and More

When it comes to baking, every ingredient plays a crucial role—and sugar is no exception. Among the many types of sugar used in baking, caster sugar stands out as a favorite, especially for cakes, cookies, and delicate desserts. Its fine texture and quick-dissolving nature make it an ideal choice for achieving smooth batters, fluffy cakes, and crispy cookies. Whether you're a beginner baker or a seasoned pro, understanding the role of caster sugar can help you take your creations to the next level. What Is Caster Sugar? Caster sugar, also known as superfine sugar in some countries, is finer than granulated sugar but not as powdery as icing sugar. This makes it perfect for recipes that require sugar to dissolve quickly and evenly—like meringues, sponge cakes, and shortbread. Its light texture allows it to blend effortlessly with butter and eggs, helping to trap air during creaming and giving baked goods their signature rise and lightness. The result? Soft, airy cakes and perfectly ...