Caramelized Sweet and Sour Onion Marmalade
Ireland
Published method, 5 steps.
Ingredients
- 4 tablespoons olive or vegetable oil
- 4 large yellow or white onions, sliced into thin strips
- ½ cups white granulated sugar
- ¼ cup balsamic vinegar
- ¼ teaspoon salt
- ⅛ teaspoon coarse ground black pepper