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Garlic and Balsamic Roasted Mushrooms

When you are looking for a side dish that delivers an intense punch of umami with very little effort, these Garlic and Balsamic Roasted Mushrooms are an absolute standout. This recipe transforms humble cremini or baby bella mushrooms into succulent, caramelized morsels by roasting them at high heat with a robust blend of balsamic vinegar and garlic. The addition of butter pieces scattered across the pan creates a luxurious, velvety sauce as it melts and mingles with the mushroom juices. It is a sophisticated, savory accompaniment that pairs beautifully with everything from grilled steaks to creamy polenta, making it a versatile essential for any home cook.
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Servings: 6

Ingredients

  • 2 lb Fresh Cremini Baby Bella Mushrooms, wiped clean
  • 4 cloves Garlic grated or minced
  • 1/4 cup + 1 tbsp Olive Oil
  • 2 tbsp Balsamic Vinegar
  • 1/2 tsp Dried Thyme
  • 1/2 tsp Kosher Salt
  • 1/4 tsp Black Pepper
  • 4 tbsp Butter cut into small pieces
  • Optional: Fresh Parsley chopped for garnish

Instructions

  • Preparation: Preheat your oven to 425°F (220°C). Line a rimmed baking sheet with aluminum foil or spray a large baking dish with non-stick spray for easy cleanup.
  • Prep the Mushrooms: Wipe any dirt off the mushrooms with a damp paper towel. Trim the very ends of the stems. If they are large, cut them into halves or quarters so all pieces are roughly the same size.
  • Whisk the Marinade: In a large mixing bowl, whisk together the olive oil, balsamic vinegar, minced garlic, dried thyme, salt, and pepper.
  • Coat: Add the mushrooms to the bowl and toss thoroughly until every piece is coated in the balsamic mixture.
  • Assemble: Spread the mushrooms in a single layer on the prepared baking sheet. Scatter the small pieces of butter evenly over the top.
  • Roast: Bake for 20–25 minutes. Halfway through (around the 12-minute mark), give the pan a good shake or stir the mushrooms to ensure even browning and to baste them in the melting garlic butter.
  • Finish: Remove from the oven when the mushrooms are tender and the glaze is bubbly and dark.
  • Garnish: Sprinkle with fresh chopped parsley if desired and serve immediately while hot.

Notes

  • Don't Wash, Wipe: Mushrooms act like sponges. If you submerge them in water, they will steam in the oven instead of roasting. A damp paper towel is all you need!
  • Crowding the Pan: Use a large enough baking sheet so the mushrooms aren't piled on top of each other. Space allows the air to circulate for better caramelization.
  • Garlic Grating: Grating the garlic with a microplane instead of mincing it allows the flavor to melt into the oil more effectively, ensuring every bite is garlicky.
  • Make it a Meal: These are incredible served over a bowl of creamy mashed potatoes or cauliflower puree to soak up all that balsamic butter sauce.