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Mushrooms Side Dishes 30 Minutes or Less Vegetarian
5 from 1 vote

Grilled Portobello Mushrooms

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By: Joanna Cismaru •Last Updated: 5/4/25 Leave a Comment

This post may contain affiliate links. Please read my disclosure policy.

pin for grilled portobello mushrooms.

These Grilled Portobello Mushrooms are juicy, packed with flavor, and seriously satisfying, even if you’re usually a steak person. Brushed with a simple balsamic marinade and grilled until tender and smoky, they’re perfect tucked into burgers, piled onto pasta, or just eaten straight off the grill (no judgment).

Table of Contents

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  • Easy Grilled Portobello Mushrooms Recipe
  • Why You’ll Love These Grilled Portobello Mushrooms
  • Ingredients You’ll Need
  • How To Make Grilled Portobello Mushrooms
  • Frequently Asked Questions
  • Expert Tips
  • Storage
  • Other Mushroom Recipes To Try
  • Recipe: Grilled Portobello Mushrooms
4 grilled portobello mushrooms on a white platter garnished with parsley.

Easy Grilled Portobello Mushrooms Recipe

I love grilling Portobello mushrooms, they’re big, hearty, and soak up flavor like nothing else. Brushed with a simple balsamic marinade and tossed on the grill, they get smoky, juicy, and just the right amount of charred around the edges.

We eat them piled into buns like burgers, sliced over pasta, or honestly, sometimes just straight off the cutting board. Whether you’re trying to sneak in a meatless meal or just looking for something seriously satisfying, these grilled mushrooms are always a good idea.

2 grilled portobello mushrooms on a white plate with a simple salad.

Why You’ll Love These Grilled Portobello Mushrooms

  1. Quick And Easy Recipe! Whether you’re seeking a recipe for a busy weeknight dinner or a spontaneous backyard BBQ, these grilled mushrooms are as quick and easy to prepare as they are yummy! You can have a crowd-pleasing dish ready in no time. 
  2. Delicious Meat-Free Option! These mushrooms are a tasty alternative to traditional meat dishes. Perfectly charred and infused with a flavorful balsamic dressing, vegetarians and meat-eaters alike will fall in love with the meaty texture and umami flavor.
  3. Versatile Dish! The sheer versatility of grilled portobello mushrooms makes them a winner! They can be served in place of traditional burgers or steaks, as a side dish, or even atop a caesar salad. The possibilities are endless and each option is equally delicious.

Ingredients You’ll Need

ingredients needed to make grilled portobello mushrooms.
  • Large Portobello Mushrooms – These sizable mushrooms have a meaty texture that is perfect for grilling. 
  • Balsamic Vinegar – Adds a zesty touch of acid that enhances the natural flavor of the mushrooms.
  • Olive Oil – Adds a bit of flavor and helps to keep the mushrooms moist during grilling. It also helps to prevent them from sticking to the grill grates. 
  • Garlic Powder – A sprinkle of garlicky goodness is used to add some depth. This recipe is one instance where garlic powder is a better option over fresh garlic cloves.
  • Seasonings – Salt and black pepper are needed to season the balsamic mixture. 

How To Make Grilled Portobello Mushrooms

You don’t need any fancy cooking skills to make this incredibly easy recipe. With just a few simple ingredients and steps, you can create a mouthwatering dish in no time!

Preheat The Grill

To begin, you need to oil the grates of your grill to keep the mushrooms from sticking. Then preheat it to 350 to 400°F (175 to 200°C). The grill must be hot to get a good char on the mushrooms and produce the most flavor. 

Clean The Mushrooms

process shots showing how to make grilled portobello mushrooms.

Next, you need to prep your mushrooms for grilling! First, wipe the caps with a damp paper towel or cloth to remove any dirt. Next, remove the stems and then use a spoon to scrape out the gills if you don’t like their texture. This step gives the grilled mushrooms a more refined look and better texture. 

Make The Dressing

process shots showing how to make grilled portobello mushrooms.

After you’ve cleaned all your mushrooms, make the dressing by whisking the balsamic vinegar, olive oil, garlic powder, salt, and black pepper together in a small bowl. Feel free to add more herbs or spices if you like. Just make sure to use a whisk and incorporate all the ingredients well. 

Grill The Portobello Mushrooms

process shots showing how to make grilled portobello mushrooms.

Once the dressing is made, brush your mushroom caps with the mixture, making sure to coat both sides well.

process shots showing how to make grilled portobello mushrooms.

Then lay your mushrooms on the hot preheated grill and cook them for 4 to 5 minutes on each side. When they are done, your mushrooms should be tender and slightly charred, but not burnt.

Frequently Asked Questions

How long to grill portobello mushrooms?

It typically takes about 4-5 minutes on each side. However, the exact cooking time may vary depending on your grill and the size of your mushrooms. 

How do you know when portobello mushrooms are done on the grill?

Look for visual cues. The mushrooms should be tender when pierced with a fork or knife and be slightly charred.

Should you remove the gills from portobello mushrooms before cooking?

It is not necessary to remove the gills from portobello mushrooms before cooking. However, it’s suggested to do so as the gills can have a bitter taste and many people don’t enjoy their texture.

Can I bake the mushrooms?

Yes! Just follow the same preparation steps and brush them with the balsamic dressing. Then bake the mushrooms at 400°F (200°C) for 15 to 20 minutes flipping them over halfway through the cooking time. When they are ready they will be tender and lightly browned. 

What if I don’t have a grill?

No worries at all! If you don’t have a grill, you can easily cook these portobello mushrooms in your oven. Preheat your oven to 425°F (220°C). Place the marinated mushrooms on a baking sheet and bake for about 15 minutes, or until they’re tender. You can also cook them on a stovetop grill pan over medium heat. Just like grilling, it should take about 5-7 minutes on each side. Either way, you’ll end up with delicious and flavorful mushrooms!

4 grilled portobello mushrooms on a white platter garnished with parsley.

Expert Tips

  1. Use fresh mushrooms. Look for fresh, firm portobello mushrooms with intact caps. Avoid ones with wrinkled or slimy surfaces.
  2. Turn the dressing into a marinade. Make double the amount of dressing and then allow the mushrooms to marinate for an hour or longer to intensify the taste.
  3. Don’t overcook the mushrooms. Keep a close eye on the grill to prevent the mushrooms from becoming overly tender or burnt.
  4. Experiment with herbs. Elevate the flavor of your mushrooms by adding some herbs like basil, thyme, or rosemary to the balsamic mixture. 

Storage

You can store leftover grilled portobello mushrooms in an airtight container in the fridge for up to 3 days. To reheat, simply warm them up in the oven or briefly in the microwave. Leftovers are also wonderful cold on top of green salads.

2 grilled portobello mushrooms on a white plate with a simple salad.

Other Mushroom Recipes To Try

  • Stuffed Portobello Mushrooms
  • Vegetarian Stuffed Mushrooms
  • Crispy Baked Parmesan Garlic Breaded Mushrooms
  • Italian Roasted Mushrooms and Veggies
  • Garlic Butter Mushrooms
  • Bacon and Parmesan Stuffed Mushrooms

Before You Begin! If you make this, please leave a review and rating letting us know how you liked this recipe! This helps our business thrive & continue providing free recipes.

4 grilled portobello mushrooms on a white platter garnished with parsley.
5 from 1 vote

Grilled Portobello Mushrooms

Prep 10 minutes minutes
Cook 10 minutes minutes
Total 20 minutes minutes
4
Rate Recipe Print Recipe
These Grilled Portobello Mushrooms are juicy, smoky, and full of bold flavor, marinated in a simple balsamic garlic dressing and perfect for burgers, pasta, or an easy meatless meal.

Ingredients

  • 4 large portobello mushrooms
  • ¼ cup balsamic vinegar
  • ¼ cup olive oil
  • ½ teaspoon garlic powder
  • ½ teaspoon salt
  • ¼ teaspoon black pepper

Before You Begin! If you make this, please leave a review and rating letting us know how you liked this recipe! This helps our business thrive & continue providing free recipes.

Instructions 

  • Preheat your grill between 350-400°F (175-200°C)
  • Clean the mushrooms by wiping them with a damp cloth or paper towel. Remove the stems and gently scrape out the gills with a spoon if you don't like their texture.
  • In a small bowl, whisk together the balsamic vinegar, olive oil, garlic powder, salt, and pepper.
  • Brush the mushroom caps with the balsamic mixture, making sure to coat both sides.
  • Place the mushrooms on the grill, gill side down. Grill for 4-5 minutes on each side, or until tender and lightly charred.
  • Remove from the grill and serve hot.

Notes

  1. Choosing Mushrooms: Pick portobello mushrooms that are firm, clean, and unbruised for the best texture and flavor.
  2. Grilling Time: Depending on the heat of your grill and the size of your mushrooms, grilling times may vary. Keep an eye on them to prevent burning.
  3. Serving Suggestions: These grilled portobello mushrooms can be served as a side dish, used as a meat substitute in burgers, or chopped and tossed into salads or pastas.
  4. Storage: Leftover grilled mushrooms can be stored in an airtight container in the refrigerator for up to 3 days. Reheat them in the oven or on the stovetop for best results.

Nutrition Information

Serving: 1servingCalories: 153kcal (8%)Carbohydrates: 6g (2%)Protein: 2g (4%)Fat: 14g (22%)Saturated Fat: 2g (13%)Polyunsaturated Fat: 2gMonounsaturated Fat: 10gTrans Fat: 0.003gSodium: 302mg (13%)Potassium: 330mg (9%)Fiber: 1g (4%)Sugar: 4g (4%)Vitamin A: 1IUVitamin C: 0.01mgCalcium: 8mg (1%)Iron: 0.5mg (3%)
© Author Joanna Cismaru

Notice: Nutrition is auto-calculated for your convenience. Where relevant, we recommend using your own nutrition calculations.

4 grilled portobello mushrooms on a white platter garnished with parsley.

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Joanna Cismaru

Joanna Cismaru

I'm Joanna Cismaru, home cook, recipe developer, and the person behind JoCooks since 2011. I test every recipe in my own kitchen, multiple times, until it's actually worth making. My goal is simple: recipes that work, written the way a real person cooks.

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I’m Joanna Cismaru, home cook, recipe developer, and the person behind JoCooks since 2011. I test every recipe in my own kitchen, multiple times, until it’s actually worth making. My goal is simple: recipes that work, written the way a real person cooks.

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