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Roasted Portobello Mushrooms Recipe Easy Balsamic Glaze for Perfect Dinner

roasted portobello mushrooms - featured image

This roasted portobello mushrooms recipe features a sweet balsamic glaze that caramelizes during roasting, creating a tender, flavorful dish perfect for dinner or as a side. It’s quick, easy, and packed with umami-rich flavor.

Ingredients

Scale
  • 4 large portobello mushroom caps, cleaned and stems removed
  • 3 tablespoons extra virgin olive oil
  • 2 tablespoons balsamic vinegar
  • 3 cloves garlic, minced
  • 1 teaspoon Dijon mustard
  • 1 teaspoon honey or maple syrup
  • 1 teaspoon fresh thyme or rosemary, chopped (optional)
  • ½ teaspoon salt (or to taste)
  • ¼ teaspoon freshly ground black pepper

Instructions

  1. Preheat your oven to 400°F (200°C).
  2. In a mixing bowl, whisk together olive oil, balsamic vinegar, minced garlic, Dijon mustard, honey or maple syrup, fresh herbs, salt, and pepper until well combined.
  3. Gently wipe the portobello caps with a damp paper towel to remove dirt. Avoid rinsing under water.
  4. Twist off the stems carefully and discard or save for another recipe.
  5. Place the mushroom caps gill side up in the bowl or a shallow dish and spoon the marinade evenly over them. Let them sit for at least 10 minutes to soak in the flavors.
  6. Lay the mushrooms gill side up on a rimmed baking sheet. Pour any leftover marinade over the mushrooms.
  7. Roast in the preheated oven for 20-25 minutes. Halfway through, spoon some of the pan juices over the mushrooms to keep them moist.
  8. Optional: Broil for 2-3 minutes at the end for extra color and caramelization, watching closely to avoid burning.
  9. Remove from the oven and let the mushrooms rest for 5 minutes before serving.

Notes

Marinate mushrooms for at least 10 minutes for best flavor; 30 minutes is better if time allows. Avoid overcrowding the baking sheet to prevent steaming. Rest mushrooms after roasting to redistribute juices. Optional broiling adds extra caramelization. For vegan version, substitute honey with maple syrup. Use a foil-lined baking sheet for easier cleanup. Rotate pan halfway through roasting for even cooking.

Nutrition

Keywords: roasted portobello mushrooms, balsamic glaze, easy mushroom recipe, vegetarian dinner, vegan mushroom recipe, gluten-free mushrooms, healthy side dish