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A casserole dish containing roasted red onions in balsamic vinegar and seasoned with salt and pepper.

Delicious Balsamic Onions

Grace Stewart
Red onions roasted with balsamic vinegar is a sweet and tangy delight! Super easy to make, this may become your new favorite way to cook red onions!
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Prep Time 3 minutes
Cook Time 40 minutes
Total Time 43 minutes
Course accompaniment, antipasto, Side Dish
Cuisine Italian
Servings 6 servings
Calories 38 kcal

Equipment

  • baking dish

Ingredients
  

  • 1 red onion select a large red onion
  • 1 tablespoon olive oil
  • ¼ cup balsamic vinegar try to use the best quality balsamic that you can
  • ⅛ ts salt
  • ⅛ ts pepper
  • ¼ ts sugar can use white or brown sugar

Instructions
 

  • Preheat your oven to 350F. Peel the onion and then cut off the ends. Cut the onion in half (from stem to root), and then cut each half into 4 wedges to make a total of 8 wedges. Place the sliced onions in a single layer in a baking dish.
    A casserole dish with 8 wedges of raw red onions.
  • Whisk the balsamic vinegar, olive oil, sugar, salt and pepper in a small bowl.
    A casserole dish containing wedges of raw red onions, and a small bowl with balsamic vinegar with a whisk.
  • Pour the whisked mixture as evenly over the onions as you can. Cover the dish with aluminum foil, then bake at 350F for 20 minutes.
    Red onion wedges and balsamic vinegar in a casserole dish.
  • After 20 minutes, remove the foil and place the baking dish back in the oven for another 20 minutes. Toss the tender onions around in the sauce, and then get ready to enjoy your delicious balsamic onions!
    A casserole dish containing roasted red onions in balsamic vinegar and seasoned with salt and pepper.

Notes

These balsamic onions are wonderful stirred into pasta or great as a topping for burgers!  
They are also perfect as a side dish to accompany your favorite main dishes, or as an antipasto.
Buon appetito! 

Nutrition

Calories: 38kcalCarbohydrates: 4gProtein: 0.3gFat: 2gSaturated Fat: 0.3gPolyunsaturated Fat: 0.2gMonounsaturated Fat: 2gSodium: 52mgPotassium: 39mgFiber: 0.3gSugar: 3gVitamin A: 0.5IUVitamin C: 1mgCalcium: 7mgIron: 0.1mg
Keyword balsamic vinegar, easy recipe, onions, red onions
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