Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme)

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Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme). Serve these bites as an easy appetizer or side dish for a dinner party. This roasted portobello mushroom recipe contains delicious earthy flavors of balsamic vinegar, thyme, and garlic. This is a healthy recipe you will love.

Easy roasted portabello mushrooms recipe pairs well with a Small Prime Rib Roast Recipe and Red Skin Mashed Potatoes (with Roasted Garlic). And if you want more, you can also check out these Classic Italian Dinner Recipes!

Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme) with fresh parsley as garish
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More mushroom recipes you will love Mushroom Ravioli with Cream Sauce Recipe, Stuffed Manicotti Recipe with Spinach and Mushroom, Creamy Mushroom Sauce with Pappardelle Pasta, Polenta and Mushrooms (with sage and butter), and Pasta with Black Truffle Cream Sauce.

Roasted Portabello Mushrooms Recipe

Balsamic roasted portobello mushrooms with fresh herbs are one of the tastiest ways to enjoy mushrooms. I am a huge fan of mushrooms! The meaty texture of earthy mushrooms feels like I am biting into a steak with this herby garlic marinade.

These baked portabello mushrooms make a beautiful presentation for a holiday meal, family dinner, or dinner party.

You can make them the main dish and serve them with a big salad and homemade focaccia bread! This roasted portabello mushroom recipe is one of those easy recipes you will want to make repeatedly.

Simple Ingredients

The ingredients for roasted portabello mushrooms are simple, flavorful, and fresh. This is one of those delicious recipes you keep returning to since it is easy to make and healthy.

ingredient shot for recipe
  • Portobello Mushroom Caps
  • Extra-Virgin Olive Oil
  • Balsamic Vinegar
  • Fresh Thyme
  • Fresh Rosemary
  • Garlic Cloves
  • Parmigiano or Parmsean Cheese (finely grated)
  • Sea Salt
  • Black Pepper
  • Parsely (garnish)

See the recipe card for quantities (bottom of this post).

What do portabello mushrooms taste like?

Like other mushroom varieties, Portabello mushrooms have an earthy, neutral flavor. They absorb the flavors you cook them with, so these mushrooms will be slightly salty and tangy after marinating and roasting.

Health benefits of Mushrooms

Mushrooms are naturally low in sodium, calories, and fat. They boast a high, naturally unfortified source of vitamin D not found in other areas of the produce aisle.

In addition to vitamin D, mushrooms provide essential nutrients like b vitamins, potassium, and powerful antioxidants.

mushrooms in baking dish ready to bake

Other Mushroom Varieties to Try

You can use whatever mushrooms you prefer for this recipe. Any of these varieties will work:

  • large portobello mushrooms
  • crimini mushrooms
  • butter mushrooms
  • baby Bellas

How to Make Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme)

This is an easy way to prepare Roasted Portabello Mushrooms that everyone will love.

cleaning the portabello mushrooms before baking

Preheat oven to 425ºF. 
Clean the mushroom caps by removing any visible dirt with a damp paper towel, then remove the stems. Discard stems, or use them in a soup or stir-fry. 

balsamic marinade for portabello mushrooms

Mix olive oil, balsamic vinegar, garlic, and herbs in a small bowl.

portabello mushrooms with balsamic marinade ready to roast in the oven

Arrange the mushroom caps in a deep baking dish or rimmed baking sheet in a single layer. Pour the sauce over each one. Pour the marinade over the top of the mushroom and coat evenly.

add parmigiano cheese before baking portabello mushrooms

Sprinkle the parmigiano cheese over the top of all the mushrooms. 
Roast at 425 degrees F. for 10-15 minutes until the desired doneness is achieved. I like fork tender. 

Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme) after baking

Garnish with fresh chopped parsley (if desired). Serve warm on top of crusty bread!

Variations

  • Freshly mozzarella cheese or goat cheese- sprinkle or dollop cheese on top of the mushrooms before baking for a cheesy twist.
  • Dried Herbs- use about 1 teaspoon when using dried instead of fresh. Italian seasoning (a mix of dried herbs used in Italian cooking) also works in this roasted portobello mushroom recipe.
  • Spicy- Add red pepper flakes to crank up the heat in this baled portabello mushroom recipe.
  • Asian inspired- for another flavor combination, try adding soy sauce or tamari sauce instead of balsamic and use green onions as the fresh herb.
  • Roasting- this recipe roasts the mushrooms in the oven. You can also cook them on an outdoor grill.
  • Lemon Juice- swap the balsamic vinegar for lemon juice and add some lemon zest to brighten the portabella mushrooms.
roasted portabello mushrooms on plate with bread

Leftover Roasted Portabello Mushrooms

If you have leftover roasted portabello mushrooms (unlikely in our household!), toss them with hot pasta, add a little starchy pasta water, extra virgin olive oil, and plenty of parmigiano cheese. A fast and easy leftover meal!

Storage

Leftover roasted mushrooms can be stored in an airtight container in the fridge for up to 5 days.

What to Serve with Roasted Portabello Mushroom

Roasted portabello mushrooms make a great appetizer or main dish. If you serve them as an appetizer, serve them on top of a baguette or crusty bread.

Top tip

  • Clean mushrooms with a dry cloth or paper towel. Avoid washing them in water, or they may become soggy and not absorb the seasoning and crisp properly in the oven.
roasted portabello mushrooms on plate with bread

FAQs

Can you eat mushroom stems?

Mushroom stems are edible and slightly tough in texture, so I removed them for this roasted mushroom recipe. You can cut and add them to a soup, stir fry, or discard them.

Do you wash mushrooms before cooking?

Cultivated mushrooms, like button mushrooms and portobello, can be cleaned using a dry cloth or paper towel to wipe off any excess ‘dirt’ they may have on them. Once wet, it is tough for mushrooms to dry completely, which makes it less likely they’ll get those crispy edges when you sauté or bake them. Mushrooms also act as a sponge; you don’t want them to absorb excess water before seasoning.

More Delicious Appetizer Recipes

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Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme)

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5 from 3 reviews

Roasted Portabello Mushrooms Recipe (with Balsamic and Thyme). Serve these bites as an easy appetizer or side dish for a dinner party. This roasted portobello mushroom recipe contains delicious earthy flavors of balsamic vinegar, thyme, and garlic. This is a healthy recipe you will love.

  • Total Time: 20 minutes
  • Yield: 46 servings 1x

Ingredients

Units Scale
  • 12 oz small (2″ diameter) portobello mushrooms
  • 3 tablespoons olive oil
  • 3/4 cup freshly grated parmigiano cheese
  • 1 tablespoon balsamic vinegar
  • 1 tablespoon fresh thyme, chopped, plus extra for garnish
  • 1 tablespoon fresh rosemary, chopped, plus extra for garnish
  • 2 cloves garlic, minced
  • Fresh cracked pepper, to taste
  • Salt, to taste
  • 1 tablespoon fresh parsley, chopped (garnish)

Instructions

  1. Preheat oven to 425ºF. 
  2. Clean the mushroom caps by removing any visible dirt with a damp paper towel, then remove the stems. Discard stems, or use them in a soup or stir-fry. 
  3. Mix olive oil, balsamic vinegar, garlic, and herbs in a small bowl.
  4. Arrange the mushroom caps in a deep baking dish or rimmed baking sheet in a single layer. Pour the sauce over each one. Pour the marinade over the top of the mushroom and coat evenly. Sprinkle the parmigiano cheese over the top of all the mushrooms. 
  5. Roast at 425 degrees F. for 10-15 minutes until the desired doneness is achieved. I like fork tender. 
  6. Garnish with fresh chopped parsley. Serve warm on top of crusty bread!

Notes

Top tip

  • Clean mushrooms with a dry cloth or paper towel. Avoid washing them in water, or they may become soggy and not absorb the seasoning and crisp properly in the oven.

  • Author: Elena
  • Category: Savory
  • Method: Italian
  • Cuisine: Italian

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About Elena

My dream is to share delicious wholesome recipes that you will share around the table with all your loved ones. The memories surrounded by food are the heart and soul of CucinaByElena.

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