
Grilling mushrooms in foil is a quick, easy, mess-free option that makes a tasty side dish to complement any meal. It's also a great vegetarian option for picnics. You can use a variety of mushrooms, including cremini, baby bella, and white button mushrooms, and add herbs, garlic, salt, pepper, and olive oil to taste. The mushrooms are cooked in a foil packet on the grill for around 20 minutes, resulting in a juicy and flavourful dish that can be served as a side or added to pasta or hamburgers.
Grilling Mushrooms in Foil
| Characteristics | Values |
|---|---|
| Type of Mushrooms | Cremini, Baby Bella, White Button, Shitake, Wild Mushrooms |
| Other Ingredients | Butter, Oil, Salt, Pepper, Garlic, Onion, Herbs, Spices |
| Temperature | 475-500°F |
| Grill Time | 5-25 minutes |
| Advantages | Quick, Easy, Mess-Free, Vegetarian Option |
| Recipe Steps | Preheat Grill, Prepare Foil, Add Ingredients, Seal Packet, Grill, Serve |
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What You'll Learn

Preheat grill to 475-500F
Grilling mushrooms in foil is a quick and easy way to prepare a tasty side dish that goes well with any meal. It is also a mess-free option, allowing you to spend more time preparing other dishes. To grill mushrooms in foil, you will need to preheat your grill to a high temperature of 475-500°F. This temperature range is ideal for achieving perfectly grilled mushrooms.
Step 1: Prepare the Foil
Begin by tearing off an 18" by 20" piece of aluminium foil. It is important to ensure that the foil is sturdy enough to hold the weight of the mushrooms and prevent any leakage. Fold the shorter sides of the foil towards the centre, creating a small barrier. This step adds structure and makes it easier to shape the foil into a pan-like form.
Step 2: Oil the Foil
Use a mild oil with a high smoke point, such as avocado or canola oil. Brush the oil onto the surface of the foil, covering the bottom and sides. This step ensures that the mushrooms do not stick to the foil and makes it easier to remove them once they are cooked.
Step 3: Add the Mushrooms
Place your desired amount of sliced mushrooms onto the oiled foil. You can use a variety of mushrooms, such as cremini or baby bella mushrooms, which offer a more robust flavour than white button mushrooms.
Step 4: Season the Mushrooms
Sprinkle kosher salt over the mushrooms, or any other seasoning of your choice. You can also add other ingredients such as garlic, onion, black pepper, or herbs to enhance the flavour of the mushrooms. Use tongs to gently toss the mushrooms, ensuring they are evenly coated with oil and seasoning.
Step 5: Seal the Foil Packet
Carefully bring the longer sides of the foil up and towards the centre, creating a sealed packet. Ensure that the packet is tightly sealed to prevent any leakage. You can double-fold the top and ends of the packet for extra security.
Step 6: Grill the Mushrooms
Once your grill reaches the desired temperature of 475-500°F, place the foil packet directly onto the grill. Close the lid and let the mushrooms cook for approximately 5-8 minutes.
Step 7: Flip the Packet
After the initial cooking time, carefully flip the foil packet so that the top becomes the bottom. This step ensures even cooking and prevents the mushrooms from burning. Continue grilling for an additional 2-3 minutes.
Step 8: Check for Doneness
Carefully open the grill lid and remove the foil packet. Open the packet to check if the mushrooms are cooked to your desired level of doneness. The mushrooms should be tender and juicy.
Step 9: Serve Immediately
Serve the grilled mushrooms directly from the foil packet or transfer them to plates or bowls. Enjoy your flavourful and juicy grilled mushrooms as a side dish or topping for your favourite meals!
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Prepare foil and oil
To grill mushrooms in foil, you'll first want to cut out a sheet of aluminium foil to act as a pan for your mushrooms. The size of the foil will depend on the number of mushrooms you plan to cook and the size of your grill. A good starting point is an 18" by 20" piece of foil.
Place the foil dull side up and fold over the short ends to make them sturdier. Then, fold up all four sides and pinch the foil together to form a pan shape.
Next, you'll want to brush oil onto the surface of the foil. You can use olive oil, avocado oil, or canola oil, as these oils can stand up to higher heat.
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Season mushrooms
Seasoning is key to enhancing the flavour of mushrooms. You can use a variety of seasonings to add flavour to your grilled mushrooms. Here are some ideas:
- Butter and Garden Vegetable Seasoning: Mix butter with a robust blend of garlic, onion, and black pepper, or a seasoning blend like Grill Mates® Garden Vegetable Seasoning. Toss the mushrooms in this mixture before grilling.
- Oil and Salt: Use a mild oil with a high smoke point, such as avocado oil or canola oil. Brush the oil onto the foil before adding the mushrooms. Add kosher salt to taste and gently stir everything together.
- Herbs and Spices: Combine olive oil with minced garlic, dried oregano, black pepper, and salt. Drizzle this mixture over the mushrooms before grilling. You can also experiment with other dried herbs, such as za'atar, or fresh herbs like parsley and mint.
- Savory Add-Ins: Include savory ingredients like chopped onion, soy sauce, vinegar, or a combination of both. You can also add a teaspoon of white miso mixed with water for extra flavour.
When seasoning mushrooms, it's important to taste as you go and adjust the seasonings to your preference. Remember that mushrooms have a natural umami flavour, so they can be a great base for a variety of seasonings and pairings.
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Seal foil packet
Sealing your foil packet is a crucial step in grilling mushrooms. A tightly sealed packet ensures that the mushrooms cook evenly and absorb the flavours of the other ingredients. Here's a step-by-step guide to sealing your foil packet for perfect grilled mushrooms:
- Start with an appropriate-sized piece of foil. For a single serving, an 18" by 20" piece of foil is recommended. You can adjust the size depending on the quantity of mushrooms you're grilling.
- Place the foil with one long side towards you, and fold over the shorter ends towards the centre to create a sturdier base.
- Now, place your seasoned mushrooms in the centre of the foil, ensuring they are evenly distributed.
- Bring the longer sides of the foil up and over the mushrooms, covering them completely.
- Double-fold the top and ends of the foil securely. You can do this by tightly pinching the foil together, ensuring no gaps are left open. This step is crucial to prevent any leakage of juices or steam, ensuring the mushrooms cook effectively.
- After folding and sealing the sides, your foil packet should resemble a closed pouch.
- Using a fork, pierce a few small holes on the top side of the foil packet. This step is essential to allow steam to escape during cooking, preventing your mushrooms from becoming too soggy.
By following these steps, you will have a securely sealed foil packet, ready to be placed on the grill for cooking. Remember, grilling times may vary depending on your preferred level of doneness, so keep an eye on your mushrooms to avoid overcooking. Enjoy your delicious and hassle-free grilled mushrooms!
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Grill for 5-8 minutes
Once your grill is hot enough, place the foil packet directly onto the grill with the pierced side facing up. Close the lid and grill for 5-8 minutes. The amount of time you grill the mushrooms for will depend on the type of mushroom and your desired level of doneness. For example, shitake mushrooms have far less moisture than most, so they may take less time to cook.
After grilling for 5-8 minutes, flip the pouch so that the pierced side is facing down and continue cooking for an additional 2-3 minutes. This will ensure that any excess moisture escapes the packet, leaving you with flavourful mushrooms rather than mushroom soup!
When grilling mushrooms in foil, it is important to ensure that the packet is well-sealed. This can be done by folding the sides of the foil towards the centre at least twice. Grilling mushrooms in foil is a convenient option when you need to spend more time preparing other dishes. It is also a mess-free option that complements any meal perfectly.
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Frequently asked questions
Baby bella mushrooms are a good option as they have more flavour than white button mushrooms, which tend to be very mild. You can also use cultivated or wild mushrooms.
You will need aluminium foil, oil, and salt. You can also add herbs, garlic, and pepper to taste.
Grill the mushrooms for 5-8 minutes on one side, then flip and grill for an additional 2-3 minutes. The mushrooms are done when they are tender and juicy.

























