Balsamic Caramelized Red Onions

Caramelized onions are a delicious addition to any burger and to many other dishes. You can also use large, sweet, white onions such as Vidalias or Bermudas.

Serves: 4Hands-on: 45 minutesTotal: 45 minutesDifficulty: Easy

Serves: 4


  • 4 large red onions, peeled and sliced
  • ½ stick unsalted butter
  • 2 Tbsp. balsamic vinegar
  • 1 tsp. sugar
  • 1 tsp. salt
  • ½ tsp. ground black pepper


  • Place the onions, butter, balsamic vinegar, and sugar in a large sauté pan over low heat. Sauté gently, stirring frequently, until onions are softened and browned, about 40 minutes.
  • When the onions are brown but not burned, place them in a bowl, add salt and pepper, and serve. These can be made well in advance and stored in a covered jar in the refrigerator.