Portobello Mushroom Burgers Recipe
Ingredients
- 4 portobello mushroom caps
- cup balsamic vinegar
- 2 tablespoons olive oil
- 1 tablespoon minced garlic
- 1 teaspoon dried basil
- 1 teaspoon dried oregano
- Salt and pepper to taste
- 4 (1 ounce) slices provolone cheese
- 4 hamburger buns for serving
- Lettuce and tomato slices for serving
Directions
Step 1: Gather all the ingredients.
Step 2: Place the mushroom caps, smooth side up, in a shallow dish.
Step 3: In a small bowl, whisk together the balsamic vinegar, olive oil, minced garlic, dried basil, and dried oregano. Season with salt and pepper to taste.
Step 4: Pour the vinaigrette mixture over the mushrooms and let them marinate at room temperature for 15 minutes, turning the mushrooms twice during that time.
Step 5: Preheat the grill to medium-high heat. Brush the grill grates with some oil to prevent sticking.
Step 6: Place the marinated mushroom caps on the grill, reserving the remaining marinade for basting. Grill the mushrooms for about 5 to 8 minutes on each side, brushing frequently with the marinade, until they are tender.
Step 7: Place a slice of provolone cheese on top of each mushroom cap. Continue grilling for about 2 more minutes, or until the cheese is melted.
Step 8: Serve the grilled mushrooms in hamburger buns, topped with lettuce, tomato, and red onion, or any other toppings of your choice.
Step 9: Enjoy your delicious grilled portobello mushroom burgers!
Nutrition Facts (per serving)
- Calories: 203
- Total Fat: 15g (19% DV)
- Saturated Fat: 6g (29% DV)
- Cholesterol: 20mg (7% DV)
- Sodium: 260mg (11% DV)
- Total Carbohydrates: 10g (4% DV)
- Dietary Fiber: 2g (7% DV)
- Total Sugars: 4g
- Protein: 10g (21% DV)
- Vitamin C: 1mg (1% DV)
- Calcium: 245mg (19% DV)
- Iron: 1mg (7% DV)
- Potassium: 620mg (13% DV)
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Portobello Mushroom Burger is a plant-based alternative to the traditional meat burger, gaining popularity as a delicious and satisfying choice for vegetarians, vegans, and anyone looking to reduce their meat consumption. These savory burgers feature the meaty texture of grilled portobello mushrooms, marinated in a blend of balsamic vinegar, olive oil, garlic, and herbs, then topped with melted cheese and served on a bun with fresh toppings. This unique twist on the classic burger offers a delightful balance of flavors and is a perfect meal for a summer cookout or weeknight dinner.
History and Origins
Portobello mushrooms, the star of this dish, are a variety of Agaricus bisporus, a species of mushroom native to North America and Europe. While smaller versions of this mushroom have been cultivated for centuries, the portobello variety was first popularized in Italy during the 19th century. Their large size and meaty texture make them ideal for grilling and roasting, which is why they are often used as a substitute for meat in vegetarian and vegan dishes. The concept of using portobello mushrooms as a "burger" dates back to the early 1990s, when chefs began experimenting with plant-based burger alternatives to cater to the growing demand for meat-free options.
Regional Variations and Specialties
While Portobello Mushroom Burgers are now a staple in many vegetarian restaurants worldwide, their preparation can vary depending on the region. In the United States, the mushrooms are commonly marinated and grilled, then served on a traditional hamburger bun with standard toppings such as lettuce, tomato, and onion. In other parts of the world, such as Mediterranean regions, the mushrooms might be seasoned with olive oil, garlic, and fresh herbs like oregano or rosemary, reflecting the flavors of the local cuisine. Some variations also include ingredients like goat cheese, grilled vegetables, or even a drizzle of balsamic reduction for an added depth of flavor.
How Portobello Mushroom Burgers Differ from Similar Dishes
Portobello Mushroom Burgers stand out from other meatless burger alternatives, such as veggie or bean burgers, by offering a substantial, meaty texture that closely mimics the feel of a traditional beef patty. Unlike vegetable-based patties, which are often made from a variety of mashed vegetables or legumes, Portobello mushrooms retain their firm structure when grilled, providing a satisfying bite. This makes them a popular choice for those who prefer a burger with the same texture and hearty feel as meat. Additionally, the use of balsamic vinegar in the marinade adds a tangy complexity that sets these burgers apart from simpler veggie burgers.
Where Are Portobello Mushroom Burgers Typically Served?
Portobello Mushroom Burgers are typically served in restaurants that offer vegetarian or plant-based options, especially those focusing on sustainable and healthy eating. They are popular in casual dining establishments, cafes, and food trucks, especially in areas where plant-based diets are gaining traction. They can also be found in many home kitchens, where they serve as a delicious and easy alternative to traditional meat burgers. Whether at a barbecue, a family dinner, or a lunch spot, these burgers provide a flavorful and filling option for anyone seeking a meat-free meal.
Fun Facts About Portobello Mushrooms
- Portobello mushrooms are the mature version of the common button mushroom, growing up to 6 inches (15 cm) in diameter.
- The name "portobello" is believed to have originated in the 1980s as a marketing term to make the mushroom sound more exotic and upscale.
- These mushrooms are rich in antioxidants, fiber, and vitamins, making them a nutritious alternative to meat-based dishes.
- Portobello mushrooms can absorb marinades and seasonings very well, which is why they are such a popular choice for grilling and roasting.
- They are often used as a substitute for beef in dishes like burgers, steaks, and even pizzas.
FAQ about Portobello Mushroom Burgers Recipe
Comments
Carolyn White
07/17/2023 10:18:57 AM
Wow! The addition of cheese truly elevates this dish. I experimented with grilling it on my Foreman grill for a short amount of time, and it turned out absolutely perfect!
Larry Clark
10/05/2023 05:09:54 AM
Impressive! Instead of grilling it, I opted for the oven due to my laziness. I baked it at high temperature, then added cheese and bacon – a winning combo! The taste was exceptional. While I've tried PMBurger before without much excitement, this one was a game-changer - juicy, unique, and not your typical meaty flavor. It truly stood out and didn't try to mimic anything. I'll refrain from labeling it a burger because it deserves its own category! Can't wait to enjoy the leftovers for lunch.
Gary Nguyen
01/07/2025 12:30:09 AM
Seeking a change of pace to shake off the Sheltering Blues, I ventured into experimental territory with this dish. Adjusting the marinating time to half that of the recipe, I caramelized Vidalia onions and crowned the burger with smoked applewood gouda. Taking it a step further, I incorporated lobster claw meat, cooked in drawn butter with fresh tarragon, as a luxurious topping for an open-faced burger. While the preparation was more involved, the end result justified the effort – a reminder that effort is indeed always rewarded.
Joseph White
09/15/2022 11:53:15 PM
I absolutely adored these mushrooms. However, my wife found the vinegar to overpower the mushroom taste a bit, so we'll use more olive oil next time. I was worried the garlic might be too strong, so I decreased the amount slightly, but it ended up being barely noticeable (the minced garlic mostly remained on top of the gills, but the cheese helped balance out the flavors). We grilled them gill side down at first and then added blue cheese in the last two minutes after flipping them - the result was fantastic.
Debra Young
06/20/2024 01:50:51 PM
I have prepared these multiple times and we absolutely adore them! I include fresh basil and oregano in the marinade, as well as a touch of liquid smoke and Worcestershire sauce. I often garnish them with provolone and caramelized onions, though you can opt for any cheese of your preference. We have also tried them with gouda and they were equally fantastic. I have cooked them both on the grill and in the oven, and they consistently turn out just right. A helpful tip: poke them with a fork while grilling to prevent sogginess.
Barbara Garcia
06/14/2023 03:32:50 PM
Fantastic and effortless! I'm always searching for quick recipes to whip up after a late day at work, and this one certainly fits the bill. I'll definitely be making it again with a few tweaks. While I didn't follow the recipe exactly, I adapted it using ingredients I had on hand. Since it was too chilly to grill, I broiled the mushrooms instead. Swapping out provolone cheese, I opted for a mix of goat cheese with a touch of balsamic vinegar (I have a balsamic obsession). For the aioli, I took a shortcut by using pre-made mayonnaise, adding Dijon mustard, garlic powder, and, you guessed it, a hint of balsamic vinegar. With only sesame hamburger buns available, that's what I used as the base for the mushrooms. The result? Incredibly delicious! Next time, I'll tone down the balsamic in either the goat cheese or aioli as it was a bit overpowering for my boyfriend (I loved it, though, and so did he, despite the strong flavor). I'm planning to switch to hearty renaissance bread instead of sesame buns on my next go-around. I'm already looking forward to enjoying this dish again!
Kathleen Collins
05/01/2023 04:09:16 PM
Tasty! We used caramelized onion cheddar and smoked cheddar as substitutes.
Donald Parker
10/30/2022 03:42:30 PM
Absolutely delicious and a fantastic vegan/gluten free dish. A wonderfully healthy option for grilling instead of a hamburger, although we still enjoy grilling those too. The marinade and provolone cheese really elevate the flavors. This has definitely become a staple in our summer meal lineup!
Heather Gonzalez
05/15/2025 04:06:57 AM
Absolutely delicious! I even managed to get my kid to eat them, and he usually hates mushrooms.
Betty Mitchell
12/25/2023 04:50:54 PM
Tasty with or without cheese.
Donna Nelson
02/02/2025 03:54:07 PM
Great!
Kelly Taylor
02/06/2024 01:22:36 AM
I have been transitioning to a more plant-based diet, reducing my meat intake to only 2-3 times a week. I mention this to provide context, as I am not vegan but seeking recipes to substitute for meat in my meals. Those who are further along in their journey away from meat might appreciate this recipe more. I strictly followed the recipe (no alterations!) and must say that I found the texture of the mushrooms to be quite off-putting when used in a sandwich. Perhaps it was due to using overly large mushroom caps. The marinade, while decent, was a bit too vinegary for my liking, overpowering other flavors. I topped the sandwich with all the traditional fixings like tomato, onion, pickle, mustard, and light mayo, which added a familiar touch but couldn't mask the strong mushroom taste. Despite my personal experience, I am giving this recipe 4 stars, recognizing that tastes vary. Just a heads up, if you're used to indulging in hearty, juicy homemade burgers, this might not be a satisfying substitute.
Nathan Smith
12/22/2023 08:47:27 AM
Fantastic recipe!