I'm looking for a chocolate royal icing recipe and can't seem to find a good one. I was thinking of just adding cocoa along with the powdered sugar but wasn't sure if I'd get the flavor and nice brown color I'm wanting. Thanks

Please read up on cocoa. It's got 22-24% fat.

And you presumably know that fat will break down royal icing.

So why does it have to be chocolate instead of just brown?