You do not need to add any sugar when you are making caramelized onions, the cooking process will attract the natural sweetness of the onions. All you need is a little bit of patience as it takes time to get the perfect results.
INGREDIENTS:
1 Lb. yellow onion peeled and thinly sliced
2 tablespoons olive oil
Kosher salt and freshly ground pepper to taste
Water as needed
STEPS:
Add oil in a large frying pan over medium-low heat.
Add the sliced onions, and let them cook, stirring frequently, until they are deep golden brown and caramelized, about 45 minutes, you may need to add water as it vaporized.
Season with salt and pepper and let cool.