The only thing that sounds way off is the Dijon mustard in proportion to the oil and vinegar. I would start with a rounded tsp or so, then taste.http://savorynotebook.blogspot.com/2005/08/spiced-grilled-chicken-and-veggie.html
http://farm1.static.flickr.com/177/484854050_9744e97359.jpg
http://farm1.static.flickr.com/177/484854050_9744e97359.jpg