One of my friends told me she read somewhere that they can have up to a tablespoon of sugar in them.
– Kristin Potok Jacksonville, FL
Although their name might make you think so, there is no added sugar in caramelized onions.
Caramelization occurs when the naturally-occurring sugars present in the onion break down and a large majority of the water dehydrates, leading to a sweeter taste, softer texture, and browning.
In fact, this is very easy to do at home. Simply dice up some onions, heat up olive oil in a pan, sautee the onions over medium heat, cover the pot for 5 minutes, uncover and stir frequently for approximately twenty to thirty minutes.