This Portobello Mushroom Burger is a flavor-packed twist on a classic, offering a juicy, meaty texture that’s both satisfying and wholesome. The earthy, umami-rich mushrooms are perfectly complemented by smoky grill marks and a hint of garlic, creating a burger experience that’s as indulgent as it is healthy. In just 20 minutes, you’ll have a meal that’s quick, easy, and bursting with natural goodness.
Each bite delivers a delightful contrast of textures—tender mushrooms, crisp lettuce, and a soft, toasted bun—all harmonizing with your favorite toppings. Whether you’re a veggie lover or just exploring plant-based options, this burger promises to be a crowd-pleaser that’s as simple to make as it is delicious to savor.
Ingredients for Portobello Mushroom Burger
- 4 large portobello mushrooms (clean with a damp cloth or paper towel)
- Extra-virgin olive oil, for drizzling
- Balsamic vinegar, for drizzling
- Tamari, for drizzling (substitute with soy sauce if needed)
- Sea salt and freshly ground black pepper, to taste
- For Serving:
- 4 hamburger buns, warmed or toasted
- Lettuce
- Sliced tomato
- Sliced red onion
- Pickles
- Ketchup, mayo, and/or mustard (optional)
- Pesto, Guacamole, or Chipotle Sauce (optional)
Step-by-Step Instructions
- Prepare the mushrooms: Remove the stems and gently clean the caps with a damp cloth or paper towel. Place them in a rimmed plate.
- Season the mushrooms: Drizzle the mushrooms with olive oil, balsamic vinegar, and tamari. Sprinkle generously with sea salt and freshly ground black pepper. Use your hands to rub the seasonings into both sides of the mushrooms.
- Heat the grill: Preheat a grill or grill pan to medium heat.
- Grill the mushrooms: Place the mushrooms gill side up on the grill. Cook for 5 to 7 minutes per side, or until they are tender and have grill marks.
- Assemble the burgers: Serve the grilled mushrooms on warmed or toasted hamburger buns. Add your desired fixings, such as lettuce, tomato, red onion, pickles, and condiments like ketchup, mayo, mustard, pesto, guacamole, or chipotle sauce.
- Enjoy: Serve immediately and enjoy your delicious Portobello Mushroom Burger!
Creative Toppings & Sauces to Elevate Your Burger
Take your Portobello Mushroom Burger to the next level with unique toppings and sauces. Try pesto for a fresh, herby kick, or guacamole for a creamy, tangy twist. For a smoky flavor, drizzle on some chipotle sauce. Add caramelized onions or roasted red peppers for extra depth and sweetness. Don’t forget classic combos like lettuce, tomato, and red onion for a satisfying crunch!
Perfect Pairings for a Complete Meal
Serve your Portobello Mushroom Burger with sides that complement its earthy flavors. Pair it with sweet potato fries, a crisp green salad, or grilled vegetables. For a lighter option, try a quinoa or couscous salad. A cold glass of iced tea or a citrus-infused sparkling water makes a refreshing drink to round out the meal.
Quick Tips for Grilling Success
To ensure your mushrooms cook evenly, preheat your grill or grill pan to medium heat before adding them. Use a rimmed plate to marinate the mushrooms, so the seasoning doesn’t spill. If you don’t have a grill, a cast-iron skillet works just as well. For extra flavor, brush the buns with a little garlic butter before toasting them.
Storage & Reheating Made Easy
Store leftover cooked mushrooms in an airtight container in the fridge for up to 3 days. To reheat, warm them in a skillet over medium heat or pop them in the oven at 350°F for 5-7 minutes. Avoid microwaving, as it can make them soggy. Assemble your burger fresh for the best texture and flavor!
Portobello Mushroom Burger
Ingredients
For the Mushrooms
- 4 large portobello mushrooms
- Extra-virgin olive oil, for drizzling
- Balsamic vinegar, for drizzling
- Tamari, for drizzling
- Sea salt and freshly ground black pepper
For Serving
- 4 hamburger buns, warmed or toasted
- Lettuce
- Sliced tomato
- Sliced red onion
- Pickles
- Ketchup, mayo, and/or mustard
- Pesto, Guacamole, or Chipotle Sauce
Instructions
- Prepare the mushrooms by removing the stems and cleaning the caps with a damp cloth or paper towel. Place the mushrooms in a rimmed plate and drizzle with olive oil, balsamic vinegar, and tamari. Sprinkle with salt and several grinds of pepper. Use your hands to rub the seasonings into the mushrooms, coating them on both sides.
- Heat a grill or grill pan to medium heat. Place the mushrooms, gill side up, onto the grill. Cook for 5 to 7 minutes per side, or until the mushrooms are tender.
- Serve the mushroom burgers on the hamburger buns with desired fixings.