I'm looking at a recipe for "Puppy Chow" aka "Muddy Buddies" -- which is basically breakfast cereal bound together with peanut butter, chocolate, and butter, and then heavily coated with "powdered sugar".
I often recipes for sweets calling for powdered sugar. I've assumed it's the same as the confectioners's sugar I buy here in Canada. That has corn starch added to it.
Is confectioner's sugar interchangeable with powdered sugar?