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Grilled Portobello Mushroom Burgers

These Grilled Portobello Mushroom Burgers are a delicious meatless alternative that doesn't sacrifice flavor. The meaty texture of portobello mushrooms, combined with a flavorful marinade, makes these burgers a satisfying main dish for any occasion.
Prep Time 10 minutes
Cook Time 8 minutes
Total Time 33 minutes
Servings 4 servings
Calories 200 kcal

Ingredients
  

  • 4 large portobello mushroom caps stems removed
  • ¼ cup balsamic vinegar
  • 3 tablespoons olive oil
  • 2 cloves garlic minced
  • 1 teaspoon dried thyme
  • 1 teaspoon dried rosemary
  • Salt and black pepper to taste
  • 4 hamburger buns
  • 4 slices provolone cheese optional
  • Lettuce tomato, and red onion for serving

Instructions
 

  • Gently clean the mushroom caps with a damp paper towel. Don't rinse them under water as they'll become waterlogged.
  • In a bowl, whisk together balsamic vinegar, olive oil, minced garlic, thyme, and rosemary.
  • Place mushrooms in a large zip-top bag and pour the marinade over them. Seal and gently shake to coat evenly. Let marinate for 15-30 minutes.
  • Preheat your grill to medium-high heat (around 400°F).
  • Remove mushrooms from marinade and season with salt and pepper.
  • Place mushrooms on the grill, gill side up. Grill for 4-5 minutes.
  • Flip the mushrooms and add cheese if using. Grill for another 3-4 minutes until the mushrooms are tender.
  • Toast the buns on the grill for 1-2 minutes until lightly golden.
  • Assemble your burgers with your favorite toppings and serve immediately.