Grilled Portobello Mushrooms
If you’re looking for a delicious and satisfying dish that’s both simple and versatile, then you’ve stumbled upon the perfect recipe: Grilled Portobello Mushrooms! These meaty mushrooms are not only packed with flavor but also make a fantastic alternative to traditional steaks. Whether you’re hosting family and friends or simply cooking for a busy weeknight dinner, this recipe is sure to impress.
What makes these grilled portobello mushrooms special is their ability to soak up flavors like a sponge. The marinade brings out their natural earthiness while adding a delightful tang. Plus, they can be served in various ways—on their own as a side dish, as a hearty burger substitute, or even topped with your favorite sauces.
Why You’ll Love This Recipe
- Quick and Easy: This recipe takes less than 30 minutes from start to finish, making it perfect for weeknight meals.
- Family-Friendly: Everyone loves the rich, savory flavor of grilled portobello mushrooms, making them a hit with both kids and adults.
- Versatile Serving Options: Enjoy them as a main course or slice them up for salads, pasta dishes, or sandwiches.
- Healthy Choice: Low in calories yet high in flavor, these mushrooms are a great option for anyone watching their diet.
- Make-Ahead Friendly: Marinate the mushrooms earlier in the day to save time when you’re ready to cook!

Ingredients You’ll Need
When it comes to making Grilled Portobello Mushrooms, you really only need simple and wholesome ingredients that are easy to find. Here’s what you’ll need:
For the Marinade
- 4 large portobello mushrooms (stems and gills removed, wiped clean)
- 1/4 cup balsamic vinegar
- 1 tablespoon extra virgin olive oil
- 1 tablespoon low sodium soy sauce
- 1 tablespoon chopped fresh rosemary (or 1/2 teaspoon dried)
- 1 teaspoon garlic powder
- 1/2 teaspoon ground black pepper
- 1/8 teaspoon cayenne pepper (optional, plus additional to taste)
For Grilling
- Canola or vegetable oil (for grilling)
Optional Toppings
- Herby Avocado Sauce; these also make delicious mushroom burgers
Variations
This recipe is wonderfully flexible! Here are some fun variations you can try:
- Swap the herbs: Experiment with different fresh herbs like thyme or oregano for a unique twist on flavor.
- Add cheese: Top the grilled mushrooms with your favorite cheese just before finishing on the grill for an extra layer of taste.
- Spice it up: If you love heat, add jalapeños or red pepper flakes into your marinade for an extra kick.
- Try different sauces: Instead of avocado sauce, use tahini dressing or chimichurri for exciting new flavors.
How to Make Grilled Portobello Mushrooms
Step 1: Marinate the Mushrooms
In a shallow baking dish, whisk together the balsamic vinegar, olive oil, soy sauce, rosemary, garlic powder, black pepper, and cayenne. This marinade is where all the magic happens! It infuses the mushrooms with deep flavors that elevate this dish. Taste it and adjust if needed—this is your chance to customize! Add the portobello mushrooms and turn them to coat well. Let them sit for 5 minutes on one side before flipping and letting them marinate for another 5 minutes. If time allows, let them soak longer; trust me—the flavors will intensify beautifully!
Step 2: Preheat Your Grill
Heat your grill or a large skillet over medium heat (about 350 to 400 degrees F). Brush it lightly with oil to prevent sticking. Getting the right temperature is crucial here; too hot might char them too quickly while too cool won’t give those nice grill marks we all love.
Step 3: Grill the Mushrooms
Remove the marinated mushrooms from the bowl, shaking off any excess marinade (but don’t throw it away just yet!). Cook each mushroom on one side for about 3-4 minutes until they caramelize and turn golden brown. Flip them over and repeat! Remember to brush some of that lovely reserved marinade on top as they cook—it adds an extra burst of flavor!
Step 4: Serve Them Up!
Once grilled to perfection, take your portobello mushrooms off the grill and serve them immediately! They’re delicious topped with herby avocado sauce or any other toppings you fancy. Enjoy this tasty dish at your next gathering or as part of a cozy family dinner!
Pro Tips for Making Grilled Portobello Mushrooms
Making the perfect grilled portobello mushrooms is easier than you think! Here are some tips to ensure your dish turns out delicious every time.
- Choose Fresh Mushrooms: Look for firm, plump portobello mushrooms without any blemishes. Fresh mushrooms have a better texture and flavor, making your dish even more satisfying.
- Marinate Longer for Flavor: While 10-30 minutes is sufficient, letting the mushrooms marinate for a couple of hours (or even overnight) will intensify the flavors and make them even more savory.
- Preheat Your Grill: Make sure your grill or skillet is properly preheated. This helps achieve that lovely caramelization on the outside, giving your mushrooms a beautiful color and enhancing their taste.
- Don’t Overcook Them: Grilling for 3-4 minutes on each side usually does the trick. Overcooking can lead to mushy mushrooms, so keep an eye on them!
- Experiment with Seasonings: Feel free to adjust the marinade ingredients based on your taste preferences. Adding spices like smoked paprika or herbs like thyme can give your mushrooms an exciting twist.
How to Serve Grilled Portobello Mushrooms
Grilled portobello mushrooms are versatile and can be served in many creative ways. Here are some ideas to help you present this delightful dish beautifully.
Garnishes
- Chopped Fresh Herbs: A sprinkle of fresh parsley or cilantro adds a burst of color and freshness that complements the earthy flavor of mushrooms.
- Lemon Zest: Adding a touch of lemon zest brightens up the dish, providing a zingy contrast that enhances its overall flavor profile.
Side Dishes
- Quinoa Salad: A light quinoa salad mixed with diced cucumbers, tomatoes, and a simple lemon vinaigrette pairs perfectly with grilled portobellos, adding a nutritious grain component.
- Grilled Asparagus: The slight char from grilled asparagus complements the rich flavors of the mushrooms while keeping things light and healthy.
- Roasted Sweet Potatoes: The sweetness of roasted sweet potatoes balances out the savory notes of the portobellos, creating a well-rounded meal.
- Steamed Broccoli: Bright green steamed broccoli not only adds color but also provides essential nutrients to your plate, making it a great side option.
With these tips and serving suggestions, you’re all set to impress family and friends with delicious grilled portobello mushrooms! Enjoy every bite!

Make Ahead and Storage
Grilled Portobello Mushrooms are not only delicious but also perfect for meal prep! You can easily make them ahead of time and enjoy them throughout the week. Here’s how to store your leftovers or batch cook these tasty mushrooms.
Storing Leftovers
- Allow the grilled portobello mushrooms to cool completely before storing.
- Place them in an airtight container to maintain freshness.
- Store in the refrigerator for up to 3-5 days.
Freezing
- If you want to freeze grilled portobello mushrooms, ensure they are cooled completely.
- Wrap each mushroom in plastic wrap or aluminum foil, then place them in a freezer-safe bag.
- They can be frozen for up to 2 months. Be sure to label with the date!
Reheating
- To reheat, simply thaw the mushrooms overnight in the refrigerator if frozen.
- Heat them on a skillet over medium heat for about 2-3 minutes on each side until warmed through.
- Alternatively, you can pop them in the microwave for about 30 seconds to 1 minute, depending on your microwave’s power.
FAQs
Got questions? No worries! Here are some common inquiries about Grilled Portobello Mushrooms.
How do I prepare Grilled Portobello Mushrooms?
To prepare grilled portobello mushrooms, remove the stems and gills, then marinate with balsamic vinegar, olive oil, soy sauce, and seasonings. Grill until tender and caramelized!
Can I use Grilled Portobello Mushrooms as a burger substitute?
Absolutely! Grilled portobello mushrooms make a fantastic meat alternative in burgers. Their hearty texture and rich flavor create a satisfying plant-based option.
How long do Grilled Portobello Mushrooms last in the fridge?
When stored properly in an airtight container, grilled portobello mushrooms will last in the fridge for 3-5 days.
Final Thoughts
I hope you enjoy making these Grilled Portobello Mushrooms as much as I do! They’re not just a great addition to any meal but also incredibly versatile. Whether you’re serving them as a main dish or adding them to your favorite recipes, they’re bound to impress. Enjoy your cooking adventure and feel free to get creative with toppings! Happy grilling!
Grilled Portobello Mushrooms
Discover the joy of Grilled Portobello Mushrooms, a delicious and versatile dish perfect for any occasion! These hearty mushrooms serve as an excellent alternative to steak, delivering rich flavors that will satisfy even the pickiest eaters. Marinated in a delightful mix of balsamic vinegar, olive oil, and fresh herbs, they soak up every bit of flavor and grill to perfection. Whether you enjoy them as a side dish, a main course, or as an indulgent burger substitute topped with your favorite sauces, these grilled portobellos are sure to impress. Quick to prepare and packed with nutrients, they make for a healthy addition to your meals any night of the week.
- Prep Time: 10 minutes
- Cook Time: 8 minutes
- Total Time: 18 minutes
- Yield: Serves 4
- Category: Main
- Method: Grilling
- Cuisine: Vegetarian
Ingredients
- 4 large portobello mushrooms
- 1/4 cup balsamic vinegar
- 1 tablespoon extra virgin olive oil
- 1 tablespoon low sodium soy sauce
- 1 tablespoon chopped fresh rosemary (or 1/2 teaspoon dried)
- 1 teaspoon garlic powder
- 1/2 teaspoon ground black pepper
- 1/8 teaspoon cayenne pepper (optional, plus additional to taste)
- Canola or vegetable oil (for grilling)
Instructions
- In a shallow dish, whisk together balsamic vinegar, olive oil, soy sauce, rosemary, garlic powder, black pepper, and cayenne (if using). Add the cleaned portobello mushrooms and marinate for 10 minutes on each side.
- Preheat your grill or skillet over medium heat. Lightly brush with oil.
- Grill the mushrooms for 3-4 minutes on each side until caramelized. Brush with reserved marinade during cooking.
- Serve immediately with desired toppings.
Nutrition
- Serving Size: 1 mushroom (100g)
- Calories: 39
- Sugar: 3g
- Sodium: 240mg
- Fat: 3g
- Saturated Fat: 0.5g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 2g
- Protein: 2g
- Cholesterol: 0mg
