I have a geeky fascination with the way food transforms with cooking. The ultimate example of this is how an onion morphs from raw to caramelized, starting out pale, crisp and sharp-tasting, and then ...

Getting your Trinity Audio player ready... Who doesn’t get a sweet tooth, at least once in awhile, for a sweet onion? That thick slice of Rockies-purple red onion on a burger at Coors Field? Sweets ...