Balsamic Mushrooms and Onions

User Reviews

5

84 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    15 mins

  • Total Time

    20 mins

  • Servings

    4 servings (1/2 cup each)

  • Calories

    124 kcal

  • Course

    Side Dish

  • Cuisine

    American

Balsamic Mushrooms and Onions

Balsamic Mushrooms and Onions offers a savory side dish of white button mushrooms and thinly sliced onion caramelized together with olive oil and finished with a splash of balsamic vinegar. The cooking process softens and browns the vegetables, creating a tender texture with a tangy, slightly sweet glaze. This dish pairs well with a variety of main courses and adds depth to simple meals.

Description

This recipe highlights the natural earthy flavor of white button mushrooms complemented by softened onions cooked in olive oil. Initially cooked covered to release and then evaporate the mushrooms’ liquid, the vegetables develop a rich, concentrated flavor. The final step of stirring in balsamic vinegar enhances the dish with a pleasant acidity and glossy finish.

The mushroom halves and thin onion slices create a mix of textures, where tender mushroom and slightly caramelized onion coexist. The seasoning is simple, relying chiefly on salt and the vinegar’s complexity.

Served as a side, this dish complements proteins or can be integrated into sandwiches or atop toasts. The mushrooms and onions can be stored for several days chilled, with flavors developing over time, making leftovers practical.

Choosing white button mushrooms ensures a mild, family-friendly flavor, while thin slicing the onion balances its sharpness. Substituting shallots offers a more subtle onion note.

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Ingredients

Servings
  • 2 tablespoons olive oil
  • 2 pounds white button mushrooms halved (see note 1)
  • 1/2 medium onion peeled and thinly sliced (about 5 ounces, see note 2)
  • salt
  • 2 tablespoons balsamic vinegar

Instructions

  1. In a medium skillet over medium-high heat, heat oil until shimmering. Add mushrooms, onions, and 1/4 teaspoon salt and stir to combine.
  2. Reduce heat to medium, cover, and cook until liquid is released from mushrooms, about 5 minutes. Remove cover and continue to cook until liquid has evaporated and mushrooms and onions are softened and browned, about 5 minutes longer.
  3. Stir in balsamic vinegar and stir until mushrooms and onions are coated evenly and the vinegar is heated through, about 2 minutes.

Notes

  • White button mushrooms provide mild, family-friendly umami; alternatives can be used based on preference.
  • Use half a medium onion, thinly sliced, roughly 1 cup loosely packed.
  • Shallots can replace onion for a milder flavor.
  • Recipe yields about 2 cups, enough for four half-cup servings.
  • Store leftovers refrigerated and covered for up to 4 days.

Nutrition Information

Show Details
Serving 0.5 cup Calories 124kcal (6%) Carbohydrates 10g (3%) Protein 7g (14%) Fat 8g (12%) Saturated Fat 1g (5%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 5g (25%) Sodium 14mg (1%) Potassium 750mg (16%) Fiber 3g (12%) Sugar 6g (12%) Vitamin A 0.3IU (0%) Vitamin C 6mg (7%) Calcium 12mg (1%) Iron 1mg (6%)

Nutrition Facts

Serving: 4servings (1/2 cup each)

Amount Per Serving

Calories 124 kcal

% Daily Value*

Serving 0.5 cup
Calories 124kcal 6%
Carbohydrates 10g 3%
Protein 7g 14%
Fat 8g 12%
Saturated Fat 1g 5%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 5g 25%
Sodium 14mg 1%
Potassium 750mg 16%
Fiber 3g 12%
Sugar 6g 12%
Vitamin A 0.3IU 0%
Vitamin C 6mg 7%
Calcium 12mg 1%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

84 reviews
Excellent

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