Caramelized Onions

Directions

1. 1
   Peel the onions, cut in half crosswise and slice into 1/2-inch wedges.
2. 2
   Set aside.
3. 3
   Heat the olive oil in a Dutch oven or electric skillet over medium-high heat for 30 seconds.
4. 4
   Add onions, and cook for 3 minutes, stirring frequently.
5. 5
   Reduce heat, add vinegar and sugar, and cook, stirring frequently, for about 45 minutes or until caramelized.