Portobello Mushroom Burgers

Prep Time 15 mins
Cook Time 25 mins
Total Time 40 mins
Servings 4 servings


  • 1 1/2 pounds ground beef
  • 1/2 teaspoon garlic powder
  • sea salt and freshly ground black pepper to taste
  • 1/2 teaspoon dried thyme
  • 1 tablespoon olive oil
  • 8 medium Portobello mushroom caps
  • 1 small avocado peeled, pitted and sliced
  • 1/2 small red onion sliced
  • 1 small head green leaf lettuce


  • In a medium bowl, mix together the first 4 ingredients (beef through thyme). Form meat into patties.
  • Heat indoor grill pan or skillet to medium-high heat. Place patties on grill pan and cook for 5 to 8 minutes on each side, or until the burgers are cooked to the desired doneness.
  • In a large skillet over medium heat, heat olive oil. To the skillet, add the mushrooms and cook for 3 to 5 minutes on each side, until crispy on the outside and tender on the inside, season with salt and pepper.
  • Layer mushroom cap, burger, avocado, red onion and lettuce and then top with another mushroom cap and serve.
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