Sweet and Sour Onions

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A perfect holiday side dish from Hank Shaw. Enjoy! ~Elise

This is a lovely way to eat smaller onions. I learned this recipe from Italian cookbooks, where they call it onions agrodolce, but the concept of sweet-and-sour onions is pretty widespread. Basically you cook the onions part way either by roasting or boiling – we boil them here – and then finish them off in a pan with oil (or butter) something sweet (in this case honey) and something sharp, usually vinegar.

You can totally play with flavors here. Switch up oils and fats – walnut oil, duck fat, sesame oil, etc – and sweeteners (honey, brown sugar, agave nectar, and so on) and you will get all sorts of different results. All are good.

Sweet and Sour Onions Recipe

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  • Prep time: 20 minutes
  • Cook time: 15 minutes
  • Yield: Serves 4.

These onions are just as tasty at room temperature as they are hot.

Ingredients

  • 1 to 1 1/2 pounds boiling or pearl onions
  • Salt
  • 3 Tbsp olive oil or butter
  • 3 Tbsp cider, malt or white wine vinegar
  • 1 Tbsp honey

Method

1 The hardest part about this recipe is peeling the onions. If you are using pearl or small cipollini onions, blanch them in boiling water for a minute or so and then plunge them into ice water to stop the cooking. Slice off the root and stem ends, and the papery skin should slip right off. If you are using the larger boiling onions, as we did here, just slice the stem end off the onion and peel as you would a normal onion.

2 Bring a pot of salty water to a boil, and boil your onions for 4-10 minutes, or until they are tender. Smaller onions will need less time. You want them al dente, not soft, because they will cook a bit more in the frying pan. Drain the onions well and set aside.

3 Get a frying pan hot over medium-high heat and add the olive oil. Let the olive oil get hot for a minute or two and add the onions. They will spit a little because they are full of moisture. Let them sizzle until you get some browning on a couple sides of the onion, about 4-5 minutes.

4 Meanwhile, mix the honey and vinegar vigorously until the honey dissolves. Add it to the frying pan. It will spit and sizzle violently. Turn the onions to coat with the mixture and turn the heat down to medium. Sprinkle salt over everything.

5 Let the vinegar-honey mixture boil down to a thick syrup. Turn the onions often to coat evenly. Serve hot or at room temperature, with a little sprinkling of a fancy salt like fleur de sel, if you have some.

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Links:

Roasted Vidalia Onions with Balsamic Sweet-and Sour Sauce - from Stephen Cooks
Sweet and Sour Cipollini - from Smitten Kitchen
Ramps or Scallions Agrodolce - from Hunter Angler Gardener Cook

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Showing 4 of 10 Comments

  • Laura

    You can get frozen pearl onions at Kroger under the Kroger brand. They are peeled and ready to use, but they are not cooked. I think Kroger is more available in some areas than Trader Joe’s.

  • Robin

    Just made this tonight, wow, delicious! We will definitely make this again!

  • Denisse

    I’m thinking of serving these on xmas eve. Can these be prepared ahead of time (a couple of days before?) and how should they be reheated?

    Yes, you can make them ahead of time. I actually like sweet and sour onions at room temperature, so you could go that route. Or, gently reheat them in a covered pot set over low heat with a little water added. ~Hank

  • Cinzia from Stile Mediterraneo Cooking Italy

    This is absolutely one of my favorite recipes! In Puglia (Southern Italy) we make agrodolce onions with Primitivo wine vinegar (they become a bit more red) and then we accompany them with stir fried eggplants cooked with some cherry tomatoes and capers. They are so delicate and delicious. Really a must!

  • Rachel

    This recipe reminds me of my mom. Glazed pearl onions are her signature holiday dish and one I love almost as much as pumpkin pie!
    I will pass the recipe on to her as I think it’s a bit different than her version, but yummy just the same.

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