Portobello Mushroom Burgers

Portobello Mushroom Burgers

This portobello mushroom burger recipe will be a hit with vegetarians and meat eaters alike! It’s juicy, meaty, and filled with rich, savory flavor.

The next time you need a quick and easy summer dinner, make this grilled portobello mushroom burger recipe! You only need 6 ingredients and 20 minutes to make it, but the payoff is huge. The grilled portobello mushrooms are juicy and meaty, and a simple balsamic marinade deepens their tangy, savory flavor.

How to Make Grilled Portobello Mushrooms

If you’ve never grilled portobello mushrooms before, you won’t believe how easy it is! Just follow these simple steps:

  • First, clean the mushrooms. Remove the stems and use a damp towel to wipe off the caps.
  • Next, season them. Drizzle the portobellos generously with olive oil, balsamic vinegar, and tamari, and sprinkle them with salt and pepper. Use your hands to make sure they’re fully coated – it’ll be a little messy, but the better coated they are, the more flavorful they’ll be.
  • Finally, cook! Preheat a grill or grill pan over medium heat. Put on the mushrooms, starting with the gill side up. Grill for 5-7 minutes per side, until grill marks form on the smooth side of the caps and the mushrooms are tender.


  1. 4 large portobello mushrooms
  2. Extra-virgin olive oil, for drizzling
  3. Balsamic vinegar, for drizzling
  4. Tamari, for drizzling
  5. Sea salt and freshly ground black pepper

For Serving

  1. 4 hamburger buns, warmed or toasted
  2. Lettuce
  3. Sliced tomato
  4. Sliced red onion
  5. Pickles
  6. Ketchup, mayo, mustard
  7. Pesto, Guacamole, or Chipotle Sauce, optional


  • 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, tamari, salt, and pepper. Use your hands to help coat the mushrooms on both sides.
  • Heat a grill or grill pan over medium heat. Place the mushrooms, gill side up onto the grill pan. Cook 5 to 7 minutes per side, or until mushrooms are tender.
  • Place the mushrooms onto the buns and serve with desired fixings.

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