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Caramelized Onions with Balsamic Vinegar Recipe

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3.9 from 10 reviews

This recipe guides you through making perfectly caramelized onions with a rich, sweet flavor enhanced by balsamic vinegar. Using simple ingredients like olive oil, yellow onions, and vegetable broth, these onions are slowly cooked to tender and golden perfection, great as a flavorful addition to many dishes.

  • Total Time: 25 minutes
  • Yield: 8 servings

Ingredients

Ingredients

  • 1 tablespoon STAR Original Pure Olive Oil
  • 1 pound (about 3 large) yellow onions, halved lengthwise and thinly sliced
  • Pinch of salt
  • ¼ cup reduced sodium vegetable broth
  • 1 tablespoon STAR Balsamic Vinegar
  • ¼ teaspoon salt
  • ⅛ teaspoon fresh ground pepper

Instructions

  1. Heat olive oil: Heat olive oil in a large skillet over medium-low heat to prepare for cooking the onions.
  2. Cook onions covered: Add the thinly sliced onions and a pinch of salt to the skillet, cover with a lid, and cook over medium-low heat for 12 to 15 minutes. Stir occasionally until the onions are tender.
  3. Remove lid and brown onions: Remove the lid and continue cooking the onions over medium heat for 3 to 5 minutes, stirring frequently until they turn golden brown.
  4. Add liquid and vinegar: Slowly add the vegetable broth and balsamic vinegar to the skillet. Cook and stir over medium heat until the liquid evaporates, about 1 minute.
  5. Season and finish: Season the caramelized onions with ¼ teaspoon salt and ⅛ teaspoon fresh ground pepper. Remove the skillet from heat.
  6. Serve: Serve the caramelized onions warm as a flavorful side or topping.

Notes

  • Use a skillet with a lid to help sweat and soften the onions initially.
  • Stir occasionally during covered cooking and frequently after removing the lid to prevent burning.
  • Add the vegetable broth slowly to help deglaze the pan and deepen the flavor.
  • This recipe yields 8 servings as a side or condiment.
  • Store leftover caramelized onions in an airtight container in the refrigerator for up to 4 days.
  • Author: Daisy
  • Prep Time: 5 minutes
  • Cook Time: 20 minutes
  • Category: Side Dish
  • Method: Stovetop
  • Cuisine: American
  • Diet: Vegetarian