Portobello Mushroom Burger Sandwich

Portobello Mushroom Burger Sandwich Recipe

Portobello Mushroom Burger Sandwich Recipe

Are you looking for a delicious and healthy alternative to a traditional burger? Look no further than a Portobello Mushroom Burger Sandwich! This recipe is not only packed with flavor but also a great way to incorporate more vegetables into your diet. Whether you’re a vegetarian, trying to eat more plant-based meals, or simply looking to switch things up, this Portobello Mushroom Burger Sandwich is sure to satisfy your cravings.


For the mushroom marinade:

  • 4 large portobello mushrooms
  • 60 ml (1/4 cup) balsamic vinegar
  • 60 ml (1/4 cup) soy sauce
  • 2 cloves garlic, minced
  • 30 ml (2 tablespoons) olive oil
  • Salt and pepper to taste

For the burger sandwich:

  • 4 burger buns
  • 4 slices of cheese (optional)
  • 1 tomato, sliced
  • 1 red onion, sliced
  • Lettuce leaves


  1. Clean the portobello mushrooms by gently wiping them with a damp cloth to remove any dirt. Remove the stems and set aside.
  2. In a small bowl, whisk together the balsamic vinegar, soy sauce, minced garlic, olive oil, salt, and pepper to create the marinade.
  3. Place the portobello mushrooms in a shallow dish and pour the marinade over them. Make sure each mushroom is well-coated. Let them marinate for at least 30 minutes, turning them over once halfway through.
  4. Preheat your grill or a large skillet over medium heat. If using a skillet, lightly grease it with olive oil or cooking spray.
  5. Place the marinated portobello mushrooms onto the grill or skillet, gill side up. Cook for about 5-7 minutes on each side or until tender and slightly charred.
  6. While the mushrooms are cooking, toast the burger buns if desired.
  7. If using cheese, add a slice to each portobello mushroom for the last minute of cooking, allowing it to melt slightly.
  8. Assemble the burger sandwiches by placing a cooked portobello mushroom on the bottom half of each bun. Top with tomato slices, red onion slices, and lettuce leaves.
  9. Serve the Portobello Mushroom Burger Sandwiches immediately and enjoy!


  • You can customize your burger by adding additional toppings such as avocado, pickles, or your favorite sauce.
  • If you don’t have a grill or skillet, you can also bake the marinated portobello mushrooms in the oven at 200°C (400°F) for about 15-20 minutes or until tender.
  • Feel free to experiment with different types of cheese for added flavor. Some suggestions include provolone, Swiss, or cheddar.
  • If you prefer a gluten-free option, consider using gluten-free burger buns or replacing the bun with lettuce wraps.


A Portobello Mushroom Burger Sandwich is a tasty and nutritious alternative to a traditional burger. The meaty texture and rich flavor of portobello mushrooms make them the perfect substitute for meat patties. This recipe offers a simple and delicious way to enjoy a satisfying burger while incorporating more vegetables into your diet. So why not give it a try? Your taste buds and body will thank you!


Q: Are portobello mushrooms a good source of nutrients?
A: Yes, portobello mushrooms are low in calories and fat, and they provide essential nutrients such as fiber, vitamins, and minerals. They are particularly rich in potassium, selenium, and vitamin B-6.

Q: Can I use other types of mushrooms for this recipe?
A: While portobello mushrooms are the most commonly used for burger sandwiches due to their meaty texture and size, you can experiment with other types of mushrooms such as cremini or shiitake if desired.

Q: Can I prepare the marinade in advance?
A: Absolutely! You can prepare the marinade ahead of time and store it in an airtight container in the refrigerator for up to 5 days.

Q: Can I grill the portobello mushrooms on an indoor grill pan?
A: Yes, you can use an indoor grill pan to cook the portobello mushrooms. Preheat the grill pan over medium-high heat and follow the same instructions for grilling as mentioned in the recipe.

Q: Are portobello mushroom burger sandwiches suitable for vegans?
A: While this recipe does call for cheese as an optional topping, you can omit it to make the burger sandwiches vegan-friendly. Just make sure to check the ingredients of the burger buns to ensure they are suitable for a vegan diet.

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