As the sun begins to warm the air and the grill fires up, there’s nothing quite like the sizzle of fresh vegetables coming together for a summer barbecue. Recently, I found myself searching for a show-stopping dish that would please both my vegan friends and the meat-loving members of my family. That’s when I stumbled upon the rich, savory world of Marinated Grilled Portobello Mushrooms. These beautiful, meaty mushrooms have an incredible ability to soak up flavors, and with a marinade that dances between citrus and spice, each bite is a burst of umami goodness.
Imagine serving a dish that not only looks impressive but also satisfies every palate around the table. The smoky, charred exterior paired with their naturally hearty texture makes these mushrooms perfect for grilling. Whether you’re hosting a summer gathering or simply wanting to elevate your weeknight dinner, these mushrooms are a versatile and delightful choice. Let’s dive into how to create this vibrant masterpiece that will have everyone coming back for seconds!
Why will you love Marinated Grilled Portobello Mushrooms?
Simplicity: With just a few easy steps, this dish requires no culinary talents, making it perfect for both novice cooks and experienced chefs alike.
Flavor Explosion: The vibrant combination of citrus, umami, and spice creates a deliciously complex taste that will impress your guests.
Crowd-Pleaser: Ideal for summer BBQs, these mushrooms can win over vegans, vegetarians, and meat-eaters alike, ensuring everyone enjoys the meal.
Versatile: Serve these mushrooms as a main dish or as a tasty addition to salads or sandwiches for extra heartiness; the options are endless!
Make-Ahead: Marinate ahead of time to save prep work during busy BBQ days and let the flavors meld beautifully—simply grill before serving!
Grab your grill and get ready to impress—these mushrooms will become a staple on your summer menu!
Marinated Grilled Portobello Mushrooms Ingredients
• These ingredients create a flavor-packed dish perfect for summer grilling!
For the Marinade
- Tamari or Soy Sauce (low sodium) – Adds depth and umami; swap with coconut aminos for a soy-free option.
- Lime Juice – Brightens the dish; lemon juice can be used as a zesty alternative.
- Scallion – Provides freshness with a mild onion flavor; green onions work well too.
- Garlic (minced) – Enhances flavor with aromatic goodness; substitute garlic powder if needed.
- Chili Paste (e.g., Sambal Oelek) – Adds spice and complexity; adjust to heat preference or use Sriracha.
- Neutral Oil (e.g., vegetable or avocado) – Aids in marinating and grilling; avoid strong oils like olive oil.
For the Portobello Mushrooms
- Portobello Mushrooms – The star of the show that offers a meaty texture; opt for fresh and firm ones for grilling perfection.
Feel free to gather these key ingredients, and you’ll be well on your way to creating fantastic Marinated Grilled Portobello Mushrooms!
How to Make Marinated Grilled Portobello Mushrooms
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Prepare the Mushrooms: Gently clean the Portobello mushrooms with a damp towel, ensuring they are free of dirt. Carefully scrape off the gills to prevent any bitterness and enhance the grilling flavor.
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Make the Marinade: In a medium bowl, whisk together the tamari or soy sauce, lime juice, scallion, minced garlic, and chili paste. Gradually mix in the neutral oil until the marinade is smooth and well combined.
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Marinate: Place the cleaned mushrooms into a zip-lock bag or a shallow dish. Pour the marinade over them, ensuring they are thoroughly coated. Seal the bag or cover the dish, and refrigerate for at least 6 hours or preferably overnight for richer flavor.
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Grill: Preheat your grill or stovetop grill pan to high heat. Once hot, place the marinated mushrooms on the grill and cook for 3-4 minutes on each side until they are beautifully charred and tender.
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Serve: After grilling, slice the mushrooms if you prefer, then drizzle with any remaining marinade before serving. Enjoy warm or at room temperature alongside your favorite summer dishes.
Optional: Serve with a sprinkle of fresh herbs for added flavor and color!
Exact quantities are listed in the recipe card below.
Expert Tips for Marinated Grilled Portobello Mushrooms
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Choose Fresh Mushrooms: Fresh and firm Portobello mushrooms will provide a better texture. Avoid any with soft spots or discoloration.
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Scrape the Gills: Be sure to scrape the gills out to prevent bitterness during grilling. This simple step enhances the flavor of your Marinated Grilled Portobello Mushrooms.
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Marinate Longer: For the best flavor infusion, marinate the mushrooms overnight. This allows the marinade ingredients to penetrate deeply for that delicious umami bite.
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Preheat the Grill: Ensure your grill is hot enough before placing the mushrooms on it. A sizzling sound upon contact is essential for creating those appetizing grill marks.
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Experiment with the Marinade: Feel free to customize the marinade by adding herbs or spices. Smoked paprika or oregano can elevate the taste of your Marinated Grilled Portobello Mushrooms wonderfully.
Make Ahead Options
These Marinated Grilled Portobello Mushrooms are a fantastic choice for meal prep, making your summer BBQ planning a breeze! You can marinate the mushrooms up to 24 hours in advance by placing them in a zip-lock bag with the marinade and refrigerating them, which allows the flavors to meld beautifully. Additionally, you can clean and scrape the gills of the mushrooms the day before to save time. When you’re ready to serve, simply preheat your grill and cook the marinated mushrooms for 3-4 minutes on each side until they are perfectly charred and tender. This way, you’ll have a crowd-pleasing dish ready in no time, ensuring deliciousness without any last-minute stress!
Storage Tips for Marinated Grilled Portobello Mushrooms
- Fridge: Store leftover marinated grilled mushrooms in an airtight container for up to 3 days. This keeps them flavorful and ready for quick meals or snacks.
- Freezer: For longer storage, freeze the mushrooms in a single layer on a baking sheet. Once frozen, transfer them to a freezer bag and store for up to 2 months.
- Reheating: To enjoy your marinated grilled portobello mushrooms, reheat them in a skillet over medium heat until warmed through, about 5-7 minutes. They can also be microwaved for about 1-2 minutes.
- Serving Suggestions: Sliced grilled mushrooms can enhance salads, wraps, or sandwiches, adding a delicious and hearty touch to your meals.
What to Serve with Marinated Grilled Portobello Mushrooms?
Create a delightful spread that brings together flavors and textures to complement your grilled masterpiece.
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Quinoa Salad: Light and nutty, quinoa adds a lovely contrast to the umami mushrooms while providing a hearty base that feels wholesome. Toss it with fresh veggies and a lemon vinaigrette for a refreshing finish.
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Grilled Asparagus: Tender and slightly charred asparagus pairs beautifully with the smoky Portobellos, enhancing your BBQ’s seasonal vibe. It’s simple to prepare and adds vibrant color to your plate.
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Chickpea Hummus: Creamy and savory, hummus serves as a versatile dip for pita or fresh vegetables on the side. Its rich texture complements the meaty mushrooms, making each bite a flavor-packed experience.
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Roasted Sweet Potatoes: The sweetness of roasted sweet potatoes complements the spiciness of the mushrooms. Their caramelized edges provide a delightful crunch and satisfying contrast to the tenderness of your main dish.
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Garlic Bread: Crispy, buttery garlic bread provides a rustic feel that’s hard to resist! This classic side makes indulging in flavors even more enjoyable, great for those dinner conversations that last long into the night.
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Lemonade or Iced Tea: The crisp tang of homemade lemonade is the perfect refreshment. Alternatively, a chilled glass of iced tea with fresh mint will elevate your BBQ experience with a touch of summer bliss.
Serve up these delectable options with your Marinated Grilled Portobello Mushrooms and create an unforgettable meal that celebrates the season!
Marinated Grilled Portobello Mushrooms Variations
Feel free to make this dish your own and explore exciting twists that delight the taste buds!
- Gluten-Free: Swap tamari with coconut aminos for a gluten-free option while keeping the rich umami flavor intact.
- Zesty Citrus: Replace lime juice with fresh lemon or orange juice to give the marinade a bright and tangy twist.
- Herbal Infusion: Stir in fresh herbs like basil or cilantro for an aromatic depth that elevates the overall experience.
- Smoky Flavor: Add a dash of smoked paprika to the marinade for a delightful smoky undertone that complements the charred mushrooms beautifully.
- Nutty Goodness: Incorporate a teaspoon of sesame oil alongside the neutral oil for an extra layer of flavor that’s savory and rich.
- Spice it Up: For an extra kick, mix in some cayenne pepper or switch chili paste with a hotter variety, ensuring your grill has that perfect heat.
- Savory-Sweet: A splash of maple syrup or agave nectar can balance the acidity and enhance the mushrooms’ flavor with a hint of sweetness.
- Creamy Addition: Top the grilled mushrooms with a dollop of vegan sour cream or a sprinkle of vegan parmesan for a rich and creamy finish.
Marinated Grilled Portobello Mushrooms Recipe FAQs
How do I select the best Portobello mushrooms?
Absolutely! When choosing Portobello mushrooms, look for ones that are firm, plump, and free from dark spots or blemishes. The cap should be smooth and have a vibrant color, indicating freshness. Avoid mushrooms that feel slimy or have soft spots, as they may be past their prime.
What is the best way to store leftover marinated grilled Portobello mushrooms?
Very! To store leftover grilled mushrooms, place them in an airtight container and keep them in the refrigerator. They should last for up to 3 days. For optimal flavor, it’s best to reheat them gently in a skillet on medium heat or in the microwave for a couple of minutes before serving again.
Can I freeze marinated grilled Portobello mushrooms, and if so, how?
Absolutely! If you want to freeze your marinated grilled mushrooms, first lay them in a single layer on a baking sheet and place them in the freezer for about 1-2 hours until they’re firm. Then, transfer the mushrooms to a freezer bag, removing as much air as possible, and they can be stored for up to 2 months. When ready to use, thaw in the fridge overnight and reheat before serving.
What should I do if my mushrooms taste bitter after grilling?
Oh no! If your grilled Portobello mushrooms turn out bitter, it might be due to the gills left inside. Make sure to scrape them out before marinating. If you notice them becoming bitter while grilling, be sure the grill is preheated correctly, as this helps create a nice sear and minimizes bitterness. Alternatively, you can try marinating for a longer period to enhance flavor complexity.
Are Marinated Grilled Portobello mushrooms suitable for pets or individuals with allergies?
Very! While Portobello mushrooms are generally safe for dogs in small amounts, it’s always good to consult your vet before sharing food with pets. Regarding allergies, if you’re concerned about soy or gluten from tamari or soy sauce, substitute with coconut aminos to accommodate those dietary restrictions. Always double-check with guests to ensure your dish is safe for everyone!

Marinated Grilled Portobello Mushrooms for the Ultimate BBQ
Ingredients
Equipment
Method
- Gently clean the Portobello mushrooms with a damp towel, ensuring they are free of dirt. Carefully scrape off the gills to prevent any bitterness and enhance the grilling flavor.
- In a medium bowl, whisk together the tamari or soy sauce, lime juice, scallion, minced garlic, and chili paste. Gradually mix in the neutral oil until the marinade is smooth and well combined.
- Place the cleaned mushrooms into a zip-lock bag or a shallow dish. Pour the marinade over them, ensuring they are thoroughly coated. Seal the bag or cover the dish, and refrigerate for at least 6 hours or preferably overnight for richer flavor.
- Preheat your grill or stovetop grill pan to high heat. Once hot, place the marinated mushrooms on the grill and cook for 3-4 minutes on each side until they are beautifully charred and tender.
- After grilling, slice the mushrooms if you prefer, then drizzle with any remaining marinade before serving. Enjoy warm or at room temperature alongside your favorite summer dishes.