Caramelized Balsamic Onions Edit As these onion halves cook, the balsamic mixture becomes syrupy and caramelizes the onions, giving them a bronzed caramel color and a luscious, rich flavor. Read More About This Recipe Click Here Share this post Related Posts Caramelized Balsamic Onions Creamy Bow Tie Pasta with Spinach, Mushrooms, Caramelized Onions Black Bean, Spinach, and Corn Enchiladas Crispy Brussel Sprouts With Dijon Aioli