Grilled Portobello Mushrooms with Balsamic are a simple yet sophisticated dish that brings out the natural umami flavor of these meaty mushrooms while adding a rich tang from the balsamic vinegar. Perfect as a main or a side, this dish is ideal for vegetarians or anyone looking for a lighter alternative to meat, but with all the flavor and depth.
Portobello mushrooms are perfect for grilling because of their dense, meaty texture, which holds up well over the heat. When grilled, they become smoky and tender with a slightly crispy exterior. The addition of balsamic vinegar elevates the mushrooms, giving them a sweet yet savory glaze that caramelizes beautifully on the grill, infusing each bite with a rich, tangy flavor.
To prepare, start by removing the stems from the mushrooms and brushing both sides with olive oil, salt, and pepper. This helps them cook evenly and ensures that they stay moist while grilling. A quick marinade with balsamic vinegar, garlic, and a touch of honey or brown sugar brings out the sweetness in the vinegar and helps create that perfectly caramelized finish. After marinating for just 15-30 minutes, the mushrooms are ready to be grilled.
Grill the mushrooms for about 5-7 minutes on each side, brushing them with the balsamic glaze as they cook. The result is a savory-sweet, smoky mushroom that can be served as a standalone dish, or paired with pasta, quinoa, or a fresh salad.
To add an extra layer of flavor, top the grilled mushrooms with fresh herbs like thyme or rosemary, and perhaps a sprinkle of parmesan cheese for a bit of richness. The combination of the earthy mushrooms, tangy balsamic, and aromatic herbs makes for a dish that’s simple to prepare yet bursting with flavor.
Grilled Portobello Mushrooms with Balsamic are a deliciously satisfying dish that feels indulgent without being heavy. Whether you’re cooking for yourself or entertaining guests, these mushrooms will definitely impress with their rich flavor and smoky char.

Ingredients
- 4 large Portobello mushrooms cleaned and stems removed
- 1/4 cup balsamic vinegar
- 1/4 cup olive oil
- 2 cloves garlic minced
- 1 teaspoon dried thyme
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper freshly ground
Instructions
- In a small bowl, whisk together balsamic vinegar, olive oil, garlic, thyme, salt, and black pepper.
- Place Portobello mushrooms in a shallow dish, gill side up. Pour the marinade over the mushrooms and let them marinate for at least 15 minutes.
- Preheat grill to medium heat. Place mushrooms on the grill, gill side down, and grill for about 5 minutes. Flip and grill for another 5 minutes, or until tender.
- Remove from grill and serve immediately.
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I tried this recipe and it was just okay. I think I expected more flavor from the balsamic but it was kinda bland. Maybe I’ll try adding more garlic next time.
Grilled mushrooms?? seriously? Tasted like a wet sock. No offense, just not my thing.
I think they taste great if you season them right! Maybe yours just needed more flavor? 💁♂️
Wet sock? Whoa, that’s harsh! They aren’t for everyone but grilled mushrooms can be amazing. Ever tried them with cheese? 😋
Awesome!!! Loved the grilled mushrooms. I’ve never cooked anything with mushrooms before but this turned out great!!!
Yum 😋
So easy but do we have to grill? Can I just bake them instead? Also, is it thyme or time? 🤔
These mushrooms are AMAZING! So flavorful and easy to make. Will definitely add this to my go-to recipes!
Yuk! I tried it and I thot mushrooms were supposed to taste like meat?? This was all wrong.
Had a hard time with the grilling part, they got a bit burnt. Maybe I need more practice?
Don’t worry, it happens to the best of us! Just keep practicing, and you’ll get it right next time. Those mushrooms are so tasty when done well!
Is 15 minutes of marinating really enough? I left mine for an hour and they turned out great!
Meh. Nothing special. Tasted like mushrooms with vinegar. I guess that’s what they are.
Totally blew my mind! I never knew I could enjoy mushrooms like this. Will make again!
I’m so glad you loved it! Mushrooms can be amazing when cooked right. Have you tried it with different marinades?
These were sooo good!! But my husband said he hates mushrooms, so it was just me eating them. LOL.
These mushrooms were so juicy and flavorful! The balsamic added the perfect touch.
Juicy? I dunno, I always find mushrooms kinda bland. Is there a way to make them better?
I tried this recipe and the mushrooms were delicious! Perfectly grilled. Thanks for sharing!
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