"Oleo saccharum, which basically translates to sugar oil, is a technique entirely premised on sugar's ability to extract moisture. "Oleo saccharum is the process of extracting oil from citrus peel," says Bodenheimer. "It's really that simple, it's not a very complex thing.""
An oleo saccharum really does make a big difference in a punch. It takes some additional planning and effort, but not too much.