Ingredients

  • 4 large portabella 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 (optional)
  • romaine lettuce leaf (optional)
  • sliced grilled onion (optional)
  • Dijon mustard (optional)

Method

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