Roasted Balsamic Onions

5 ingredients
7 steps

Ingredients

  • 3 large white onions, peeled and quartered
  • 3 tablespoons olive oil
  • Kosher salt and freshly ground black pepper
  • 1/4 cup balsamic vinegar
  • 1/2 teaspoon sugar

Directions

  1. 1
    Preheat the oven to 350 degrees F.
  2. 2
    In a large bowl, toss the onion quarters with the olive oil, balsamic vinegar, sugar, and season with salt and pepper.
  3. 3
    Place in an ovenproof, large, nonstick skillet, spreading them out in an even layer.
  4. 4
    Cover the skillet with aluminum foil.
  5. 5
    Roast for 20 to 25 minutes, and then remove the foil.
  6. 6
    Toss the onions well to coat with the reduced balsamic glaze and put back in the oven to roast another 20 to 25 minutes.
  7. 7
    Serve warm.

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