Wandering the Internet I came across this recipe, caramelized onions, tender kale and gooey cheese --it looks so good I'm going to try it soon...
http://joannagoddard.blogspot.pt/2013/10/grown-up-grilled-cheese-sandwich.html
http://joannagoddard.blogspot.pt/2013/10/grown-up-grilled-cheese-sandwich.html