<http://schema.org/ingredients>
"Approximately half as much granulated sugar as you need powdered sugar (I've had best results with cane sugar, turbinado sugar and coconut sugar but even brown sugar and sucanat work!)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://cookieandkate.com/2014/how-to-make-powdered-sugar/>