http://www.nytimes.com/2007/10/03/dining/03chee.html?pagewanted=1&_r=1&ei=5087&em&en=e5980f7090bd4fb4&ex=1191643200
Because really, for any native-born American, the first thing grilled cheese tastes of is home. In that lies its true appeal.
Yum, I like my grilled cheese with mustard.