For an even deeper flavor, marinate the mushrooms for up to 2 hours in the refrigerator. If you don't have a grill, you can also cook the mushrooms in a cast-iron skillet on the stovetop or bake them in the oven at 375°F (190°C) for about 20-25 minutes. Experiment with different cheeses such as mozzarella, Gruyere, or Monterey Jack. Add a sprinkle of red pepper flakes to the marinade for a touch of heat. Consider adding caramelized onions or roasted red peppers as toppings for extra flavor and texture.
Portobello Mushroom Burgers
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PREP TIME5 mins
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COOK TIME15 mins
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TOTAL TIME35 mins
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SERVING4 People
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VIEWS2.9K
These Portobello Mushroom Burgers deliver a deeply satisfying, umami-rich experience, proving that vegetarian options can be just as bold and flavorful as their meaty counterparts. Grilled to perfection and topped with melted provolone, these "burgers" are a guaranteed crowd-pleaser.
Ingridients
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Nutrition
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Carbohydrate10 g
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Cholesterol20 mg
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Fiber2 g
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Protein10 g
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Saturated Fat6 g
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Sodium260 mg
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Sugar4 g
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Fat15 g
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Unsaturated Fat0 g
DIRECTIONS
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01 Step
Recipe View 5 mins Gather all ingredients and prepare your grill for medium-high heat. (5 minutes)
02 Step
Recipe View 0 mins In a shallow dish, arrange the portobello mushroom caps with the smooth side facing up.
03 Step
Recipe View 0 mins In a small bowl, whisk together the balsamic vinegar, olive oil, minced garlic, dried basil, and dried oregano. Season generously with salt and freshly ground black pepper.
04 Step
Recipe View 15 mins Pour the balsamic vinaigrette over the mushroom caps, ensuring they are well coated. Allow the mushrooms to marinate at room temperature, turning twice, for at least 15 minutes to allow the flavors to penetrate. (15 minutes)
05 Step
Recipe View 0 mins Lightly brush the grill grates with oil to prevent sticking. Place the marinated mushroom caps on the preheated grill, reserving the remaining marinade for basting.
06 Step
Recipe View 10 mins Grill the mushrooms for 5 to 8 minutes per side, or until they are tender and have developed grill marks. Baste frequently with the reserved marinade to keep them moist and flavorful. (10-16 minutes)
07 Step
Recipe View 2 mins During the last 2 minutes of grilling, top each mushroom cap with a slice of provolone cheese. Continue grilling until the cheese is melted and bubbly. (2 minutes)
08 Step
Recipe View 0 mins Remove the grilled portobello mushroom burgers from the grill and place them on burger buns. Top with your desired toppings such as lettuce, tomato, and aioli.
09 Step
Recipe View 0 mins Serve immediately and savor the delightful flavors of these vegetarian "steaks".
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RECIPE REVIEWS
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Brooke Wintheiser
May 31, 2025Easy to follow recipe and the results were fantastic. Thank you!
Landen Konopelski
Dec 28, 2024This recipe is amazing! The balsamic marinade really elevates the flavor of the mushrooms.
Eliezer Gutkowski
Sep 19, 2024I added some roasted red peppers and goat cheese – it was incredible!
Abdiel Brekke
May 14, 2024Great vegetarian option for a barbecue. Highly recommend!
Christa Friesen
Jan 8, 2024The grilling time was perfect. My mushrooms were tender and juicy.
Camren Schuster
Jan 15, 2023I've made these several times and they're always a hit. So easy and delicious!
Torrey Upton
Jul 30, 2022These were so much better than I expected. Will definitely make again.
Rose Treutel
Sep 25, 2021My family loves these! Even my meat-loving husband enjoys them.