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+ servings

Balsamic Onion Marmalade

Elevate good ol' caramelized onions with this recipe for Balsamic Onion Marmalade.
4 from 1 vote
Prep Time 15 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 45 minutes
Servings 2 cups

Ingredients  

  • 1 tablespoon vegetable oil
  • 4 white onions, thinly sliced (about 8 cups)
  • 2 generous pinches Kosher salt
  • 10 grinds fresh black pepper
  • 1/2 cup sugar
  • 2/3 cup balsamic vinegar

Instructions 

  • Heat vegetable oil in a large skillet over medium heat for 2 minutes.
  • Add the onions, salt and pepper and cook, while stirring occasionally, for 20 minutes until the onions are soft.
  • Add the sugar and reduce the heat to medium-low. Cook the onions, stirring frequently, for 10 minutes.
  • Add the balsamic vinegar and reduce the heat to low. Continue cooking the onions, stirring occasionally, for one hour until they are very soft and dry. Serve warm or at room temperature.
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