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posted May 05, 2021

Balsamic Marinated Grilled Mushrooms

These Balsamic Marinated Grilled Mushrooms are a flavorful side when you’re looking for a recipe with an extra bit of oomph to serve with your meal.

Grilled mushrooms in a grill basked in a gas grill with text overlay - Grilled Mushrooms.

Grilled Mushrooms

If you’re on the lookout for a quick and easy side dish to serve with your BBQ this week, these grilled mushrooms are for you! They’re marinated in a delicious balsamic and butter marinade then grilled on a hot grill for a simple, yet flavorful way to prepare mushrooms.

Mushrooms are practically made for the grill. You can cook these on any type of grill you have in your backyard, and you can even bake them in the oven if need be. This recipe uses baby Portobello mushrooms, but you can use your favorite mushroom and cut the mushroom into smaller pieces for more even cooking while on the grill.

Mini Portobello mushrooms in a balsamic marinade in a plastic zip-top bag.

Marinade for Grilled Mushrooms

The secret to grilling mushrooms bursting with flavor is in the marinade. Here’s what you’ll need to gather to make this quick and easy balsamic mushroom marinade:

  • 1/4 cup melted butter
  • 2 Tablespoons balsamic vinegar
  • 4 minced garlic cloves
  • 2 teaspoons dried or fresh thyme leaves
  • 1 Tablespoon Beef Seasoning (or 1 teaspoon each of the following: salt, pepper, and onion powder)

Once you have all your ingredients ready to go, place each in a gallon-sized zip top bag, and add the mushrooms to the bag. Massage gently or shake the contents to evenly coat each mushroom.

Allow these mushrooms to marinate for 1 hour in the refrigerator. Do not let them hang out for much longer than that or the vinegar will start to mess with the texture of the mushrooms. Talk about fast and easy!

Grilled mushrooms in a grill basked on a gas grill.

How to Grill Mushrooms

Not only are these mushrooms easy to make, but they take less than 15 minutes to cook!

  • Preheat. Turn on your grill to about 450 degrees F. You can also preheat your oven to the same temperature. As mentioned previously, you can use any grill for these. Gas grills and charcoal grills work well.
  • Grill. Gently pour the marinated mushrooms into a grilling basket or a grill pan with holes in the bottom. Reserve the marinade for basting while the mushrooms cook on the grill. Place the mushrooms in the basket directly on the grill grates, close the lid, and grill for about 10-12 minutes, stirring every few minutes.
  • Baste. While the mushrooms cook on the grill, drizzle or baste them with the excess marinade every 3-4 minutes when you go to stir the mushrooms. Continue grilling them until they have perfect browned edges and they are softened to your liking. You can also grill these for a shorter or longer amount of time depending on how soft you want your mushrooms.
  • Serve. These mushrooms are ready to be enjoyed immediately. Serve alongside some awesome Smoked Pork Tenderloin, or even topped on a tasty Grilled Hamburger!

Marinated and grilled mushrooms in a metal grill basket.

How Long to Grill Mushrooms

Baby Portobello mushrooms take around 12 minutes to grill. Depending on the size of the mushrooms and the consistency of the temperature of the grill, you can plan around 10-15 minutes to fully grill mushrooms.

Keep in mind that mushrooms can be cooked to whatever softness you prefer. I like mine with a tiny bit of a bite to them, but they can be cooked for an additional minute or two if you want them nice and soft (a great way to enjoy them on top of burgers or steak!). Feel free to test them as you go, and remove them from the grill when they reach that perfect doneness for you and your needs.

Tips for Making Grilled Mushrooms

One last thing before you dive into this recipe! I’ve compiled a few tips to help you get the most out of your mushrooms! Check them out below!

  • Use the basket! A grilling basket will give you an even cook and nice char on all sides. Plus, it is way easier than trying to flip individual mushroom pieces or slide all the mushrooms onto skewers.
  • Time your marinade. Attempting to marinate the mushrooms for longer than the recipe calls for will actually do more harm than good. The salt in the marinade will change the texture of the mushrooms and make them a little rubbery and you won’t benefit from any added flavor.
  • High temperatures are your friend. A hot grill means nice char and crunch on the edges of your mushrooms with tender centers.
  • Get creative. These mushrooms are good enough to stand on their own as an entrée over rice or polenta or the perfect topping or side to a gorgeous grilled steak. Garlicky, buttery, with the perfect brightness from the balsamic. The thyme is the perfect compliment to the earthy mushrooms.

Marinated and grilled mushrooms in a metal grill basket.

More Grilled Vegetables

Looking for more grilled vegetables to round out your awesome BBQ? These grilled veggies help make the meal, and they are ready in a flash!

Grilled Mushroom Recipe

So there you have it! These grilled mushrooms are sure to please your guests and make you feel like a backyard BBQ hero. They’re sure to become your new favorite marinated BBQ side that can be cooked on just about anything you have in your house or on your back porch.

Balsamic Marinated Grilled Mushrooms

Susie Bulloch (heygrillhey.com)
These Balsamic Marinated Grilled Mushrooms are a flavorful side when you're looking for a recipe with an extra bit of oomph to serve with your meal.
Prep Time : 10 mins
Cook Time : 15 mins
Marinade Time : 1 hr
Total Time : 1 hr 25 mins
Calories : 134kcal

Ingredients
 

  • 16 ounces Portobello mushrooms

Grilled Mushroom Marinade

  • ¼ cup butter (melted)
  • 2 Tablespoons balsamic vinegar
  • 4 cloves garlic (minced)
  • 2 teaspoons thyme leaves (fresh or dried)
  • 1 Tablespoon Beef Seasoning (or 1 teaspoon each: salt, pepper, and onion powder)

Instructions

  • Prepare the mushrooms. Gently clean mushrooms by wiping the tops with a damp paper towel. Trim the ends of the stems and then cut mushrooms in half. Larger mushrooms may need to be quartered.
  • Marinate the mushrooms. Combine all ingredients in a gallon zip-top bag. Close the lid and gently shake to coat each mushroom with the marinade. Place in the refrigerator and marinate for 1 hour. Don't marinate for longer than 1 hour, or the salt and vinegar will start to change the texture of the mushrooms.
  • Preheat the grill. Preheat your grill to 450 degrees F. This recipe works on all types of grills and would even work in the oven.
  • Grill! Transfer your mushrooms to a grill pan with holes in the bottom. Pour gently so you don't dump marinade into the pan and through the holes. Reserve the marinade to use during the grilling process. Grill the mushrooms. Place the grill pan on the grill grates and close the lid to your grill. Cook the mushrooms for about 12 minutes, stirring the mushrooms and drizzling in the reserved marinade every 3 minutes.
  • Enjoy! The mushrooms are ready when they have nice browned edges and a softened texture.

Nutrition

Calories: 134kcal | Carbohydrates: 25g | Protein: 11g | Fat: 2g | Saturated Fat: 1g | Trans Fat: 1g | Sodium: 44mg | Potassium: 1751mg | Fiber: 7g | Sugar: 12g | Vitamin A: 296IU | Vitamin C: 11mg | Calcium: 91mg | Iron: 4mg
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