Balsamic and Thyme Roasted Portobello Mushrooms (Easy Appetizer!)

These Balsamic and Thyme Roasted Portobello Mushrooms make a great easy appetizer or simple side dish. This roasted portobello mushroom recipe has tons of flavor thanks to balsamic vinegar, thyme, and garlic.

This post was sponsored by the Mushroom Council.

Roasted Portobello Mushroom Recipe

I don’t recall being a fan of mushrooms as a child. I can imagine that they must find their way on the “dislike” list of many children, but I’m not quite sure why. What is it about mushrooms that people, especially children, seem to not like?

But like many childhood dislikes, mushrooms for me became an ingredient that I quite enjoy as an adult and for good reason. They’re a simple vegetable that has a lot to offer.

Why I Love this Recipe for Roasted Portobello Mushrooms

One of my favorite, easy ways to prepare mushrooms is this recipe for Balsamic and Thyme Roasted Portobello Mushrooms.

These Balsamic and Thyme Roasted Portobello Mushrooms makes a delicious, simple appetizer or side to go with any holiday meal or dinner party.

If you want to go above and beyond, stuff the centers with a little bit of goat cheese after they come out of the oven. YUM!

Balsamic and Thyme Roasted Portobello Mushrooms are versatile too! Slice them up after roasting and toss them with pasta and some goat cheese or freshly grated parmesan for a quick, meatless main dish.

4 Reasons to Make Roasted Portobello Mushrooms

Not convinced to make this roasted portobello mushroom recipe yet? Here’s a few more reasons why this is a great recipe!

Mushrooms are High in Vitamins and Minerals

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

Mushrooms Flight Breast Cancer

If these great vitamins and minerals weren’t reason enough to include mushrooms in your diet, you may be interested to know that City of Hope, a leading cancer research center, reports that mushroom’s extract slowed the growth of breast tumors.

Mushrooms are Versatile

Mushrooms are a kitchen staple for me. It seems I add mushrooms to my grocery shopping list several times a month.

They are great in pasta dishes, in omelets, on pizzas, in soups and stews, or even on their own as a side dish or appetizer. I like to keep mushrooms on had because I know there are many recipes that I can create to utilize them in the kitchen. They’re a great basic vegetable.

Mushrooms are a Great Meat Substitute

Mushrooms, especially portobello mushrooms, are filling and can add bulk back into meatless recipes. If you’re looking to reduce the amount of meat in your diet, mushrooms serve as a great option for a meat substitute in many recipes.

Balsamic Roasted Portobello Mushrooms Ingredient List

This roasted portobello mushroom recipe boasts a short and simple ingredients list and an easy to prepare recipe. You’ll need the following items:

• Portobello Mushroom Caps
• Extra-Virgin Olive Oil
• Balsamic Vinegar
• Fresh Thyme
• Fresh Garlic Cloves
• Sea Salt
• Black Pepper

For the complete ingredient list and detailed instructions, scroll to the bottom of this post for the FREE printable recipe card.

How to Make Roasted Portobello Mushrooms

Here’s a quick overview of the simples steps for this recipe:

First, clean the mushrooms and remove the stems. Then, place the mushrooms on a rimmed baking sheet or cast iron skillet. After that, drizzle with oil and vinegar. Then, add the sliced garlic and fresh thyme. Season to taste with salt and pepper.

Next, roast the mushrooms. After that, remove them from the oven and transfer them to a serving plate. Then, drizzle the mushroom with the juices from the pan. Lastly, garnish with additional fresh thyme, before serving.

The above is simply a quick summary of this recipe. Check out the full recipe in the free printable recipe card at the bottom of this post for all the detailed instructions.

Recipe Substitutes and Adaptations

Looking for ingredient substitute recommendations or ideas to adapt this recipe? Here are my suggestions:

Mushrooms – you can really use whatever mushrooms you like in this recipe: large portobello mushrooms, crimini mushrooms, butter mushrooms, or baby bellas will all work!

Herbs – don’t have fresh thyme? Fresh rosemary is a great substitute. If you don’t have fresh herbs, just use their dried counterparts. You’ll want to use about 1 teaspoon when using dried instead of fresh. Italian seasoning would also be a good fit in this roasted portobello mushroom recipe.

Spicy – like it spicy? Try adding some red pepper flakes.

Cheese – Sprinkle some fresh grated parmesan cheese on top or stuff the mushrooms with goat cheese before serving. YUM!

Make it a meal – toss these balsamic roasted portobello mushrooms with pasta and parmesan cheese and/or basil pesto for a delicious and simple vegetarian meal.

Try these Balsamic Roasted Portobello Mushrooms!

Next time you’re looking for an easy way to cook mushrooms, give this balsamic roasted portobello mushrooms recipe a try! Did you think it was the perfect summertime drink? Leave a comment below and give it a review for others to see what you thought of it.

On Instagram? Share your photo and tag me with @goodlifeeats and #goodlifeeatsrecipes. I’d love to see your photo of these roasted portobello mushrooms!

What to Serve with this Roasted Mushroom Recipe

Wondering what to serve with this recipe? Here are some ideas featuring main dishes, soup, and salad.

• Marinated Grilled Flank Steak
• Seared Filet with Mixed Herb Gremolata
• Gnocchi with Browned Butter and Sage
• Instant Pot Italian Beef Ragu with Pappardelle
• Creamy Gorgonzola Pasta
• Easy Baked Ziti
• Tomato Florentine Soup
• Copycat Olive Garden Salad

More Mushroom Recipes

Looking for more recipe ideas using mushrooms? Here are a few of our favorite easy recipes with mushrooms that you might like:

You won’t miss the meat in these Vegetarian Fajitas. They’re made with bell peppers and mushrooms, and flavored with a homemade fajita marinade!

This recipe for Pasta Alfredo with Broccoli features a lightened up flavorful Alfredo sauce with tender broccoli florets and balsamic sautéed mushrooms. 

These Veggie Quesadillas are filled with spinach, onion, mushroom, and pepper jack cheese for a tasty vegetarian quesadilla recipe!

Garlic Bacon Sautéed Green Beans with Roasted Mushrooms make a great side dish that is loaded with flavor!

In this Pork Sandwich Recipe, crusty sandwich rolls are layered with roasted pork loin, caramelized onions and mushrooms, melted provolone cheese, and arugula.

A simple and quick recipe for Vietnamese Noodle Soup with Beef. Contains snow peas, shiitake mushrooms, basil, cilantro, beef, noodles, & broth.

Shrimp Stuffed Portobello Mushrooms is a super easy, scrumptious appetizer that’s sure to impress your guests.

Don’t see what you’re looking for here? You can always head over to check out the recipe index to look for more tasty recipes.

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Disclosure: I was compensated for my participation in the Mushroom Council campaign.This post originally had a giveaway attached. The giveaway is now closed for entries.