Confectioners Sugar vs. Powdered Sugar: Key Differences & Uses
Confectioners sugar and powdered sugar are the same ingredient: ultra-fine granulated sugar milled to a powder and mixed with about 3% cornstarch to prevent clumping. The name on the bag changes, the chemistry doesn’t.
Bakers grab whichever box the store stocks, so regional brands label the same product differently. East-coast recipes say “confectioners,” West-coast bloggers type “powdered.” Add the 10x stamp on some boxes, and the confusion multiplies.
Key Differences
None. Same particle size, same 3% cornstarch anti-caking agent. Only the regional marketing name differs. If your recipe specifies “10X,” any package marked confectioners or powdered will perform identically.
Examples and Daily Life
Buttercream frosting, quick glaze, or snow-dusting brownies? Either name dissolves instantly, leaving zero grit. Swap freely; no measuring math needed. Just sift once if it’s been sitting in your pantry for months.
Can I make powdered sugar at home?
Yes—blend granulated sugar with 1 tablespoon cornstarch per cup until powdery, about 60 seconds.
Is icing sugar the same thing?
Exactly the same. “Icing sugar” is the British and Canadian label.
Does the cornstarch affect flavor?
No. The tiny amount stabilizes desserts without adding taste.