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Caramelized Sweet and Sour Onion Marmalade

Italian dish with olive, white onions, sliced into thin strips, white granulated sugar.

Caramelized Sweet and Sour Onion Marmalade
Photo: Pexels

Ingredients

  • 4 tablespoons olive
  • 4 large white onions, sliced into thin strips
  • ½ cups white granulated sugar
  • ¼ cup balsamic vinegar
  • ¼ teaspoon salt
  • ⅛ teaspoon coarse ground black pepper

Steps

  1. Heat the oil in a large frying pan over medium heat.
  2. Add the onions, and sauté, stirring, for about 15 minutes, or until they begin to brown.
  3. Do not cook over high heat, as the outside of the onions will char too quickly before the insides have softened and sweetened.
  4. When the onions have softened and turned a light golden brown, add sugar.
  5. Continue stirring until sugar melts and begins to bubble.
  6. As the onions turn a richer brown, clear a space in the center of the pan.
  7. Pour balsamic vinegar directly onto the hot pan, then stir it into onions.
  8. When the vinegar has reduced, leaving a syrupy coating on the onions, turn off the heat.
  9. Stir in salt and pepper, and allow onions to cool.

Adapted from “Caramelized Sweet and Sour Onion Marmalade”, Wikibooks Cookbook, CC BY-SA 4.0. This adaptation is shared under the same licence.

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