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5 from 1 vote

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.
Prep Time10 minutes
Cook Time15 minutes
Marinade Time1 hour
Total Time1 hour 25 minutes
Course: Side Dish
Cuisine: American
Keyword: Grilled Mushrooms
Servings: 4 people
Author: Susie Bulloch (heygrillhey.com)


  • 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 Hey Grill Hey Beef Rub or 1 teaspoon each: salt, pepper, and onion powder


  • 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.


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