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Onion Jam Recipe

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This easy homemade onion jam recipe is the perfect balance of sweet and savory. Caramelizing onions with brown sugar, vinegar, and spices creates a rich, flavorful condiment that complements everything from burgers and sandwiches to cheese platters. Learn how to make this delicious onion jam at home with simple ingredients and minimal effort.

Ingredients

  • 4 large onions, thinly sliced
  • 2 tablespoons olive oil
  • 1/2 cup brown sugar
  • 1/4 cup balsamic vinegar
  • 1/4 cup apple cider vinegar
  • 1 teaspoon salt
  • 1/2 teaspoon ground black pepper

Instructions

  • In a large skillet or Dutch oven, heat olive oil over medium heat. Add the sliced onions and cook, stirring occasionally, for about 20-25 minutes until the onions begin to soften and caramelize.
  • Stir in the brown sugar, balsamic vinegar, apple cider vinegar, salt, and pepper.
  • Reduce heat to low, continuing to cook and stir occasionally for another 30 minutes or until the mixture thickens to a jam-like consistency.
  • Once thickened, remove from heat and let cool before transferring to an airtight container.

Notes

  • Add a pinch of chili flakes for extra heat.
  • Try using red onions for a sweeter flavor.
  • Consider adding fresh thyme or rosemary for a savory variation.
  • For a smoother texture, you can puree the jam after it has cooled.