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5 from 76 votes

Caramelize Onions Recipe

How to Caramelize Onions. Caramelized onions will add flavor to a variety of foods. Add them to quiches, pizza, burgers, and grilled cheese sandwiches.
Course any
Cuisine American
Keyword caramelized onions, onions
Prep Time 10 minutes
Cook Time 45 minutes
Servings 1 batch
Calories 462kcal
Author Paula

Ingredients

  • 2 to 3 medium yellow white, or red onions
  • 3 to 4 tablespoons olive oil or unsalted butteror a combination
  • ⅛ teaspoon salt
  • 1 tablespoon red wine vinegar balsamic vinegar, or wine

Instructions

  • Slice the onions. Remove the stem and root ends with a sharp chef's knife, halve, and thinly slice. Separate into half-rings.
  • Melt 3-4 tablespoons of butter or a combination of butter and olive oil over medium heat.
  • Season with salt to extract moisture.
  • Cook slowly, turning until golden brown.
  • Reduce heat to medium-low or low as onions soften.
  • If the onions stick, deglaze with 1 tablespoon of red wine vinegar, balsamic vinegar, or wine.
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