Balsamic Onion Marmalade Recipe | Cook the Book

Serves: 8 Save

Ingredients (5)

  • 1 tablespoon vegetable oil
  • 4 medium onions, thinly sliced (about 8 cups)
  • Kosher salt and freshly ground black pepper
  • 1/3 cup sugar
  • 2/3 cup balsamic vinegar

Directions

Learn how to make this recipe at Serious Eats