Portobella Mushroom Burger

This portobella mushroom burger makes a tasty grill option! Try serving with grilled onions, mustard, and mayo on whole grain bread.


  • 4 large portobella mushrooms
  • 1⁄4 cup balsamic vinegar
  • 2 tablespoons olive oil
  • 1 teaspoon dried basil
  • 1 teaspoon dried oregano
  • 2 -4 cloves garlic, finely minced
  • salt and pepper
  • 4 ounces sliced provolone cheese
  • 4 whole wheat rolls
  • sliced tomatoes
  • romaine lettuce leaf
  • sliced grilled onion


  1. Cut stems off of mushrooms and place smooth side up in a shallow dish.
  2. Sprinkle lightly with salt and pepper.
  3. Prepare the marinade by whisking together the vinegar, oil, basil, oregano, and garlic.
  4. Pour the marinade over the mushrooms and allow to stand at room temperature for 10 to 15 minutes, turning once or twice.
  5. Preheat grill to medium-high heat.
  6. Place the mushrooms on the preheated grill, reserving the marinade for basting
  7. Grill mushrooms for 5 to 8 minutes per side, basting frequently with marinade.
  8. During the last 2 minutes of grilling, top with cheese.
  9. Serve with the whole wheat rolls and condiments of your choice.

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