Granulated Vs Powdered Sugar: Which Is Better For Sugar Cookies? - Chowhound

Both granulated sugar and powdered sugar start out the same — quite literally, as powdered sugar is simply granulated that's been finely pulverized until airy and light. Many of your store-bought bags of powdered sugar will also have a bit of added cornstarch, which acts to sop up any moisture and keep the bag from clumping up on the pantry shelf. The difference between powdered and granulated sugar is obvious to…