Step 1

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.

Step 2

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.

Step 3

Place the mushrooms onto the buns and serve with desired fixings.