Grilled Portobello Mushroom Burger Recipe | Traeger Grills

Ingredients

• 6 portobello mushrooms
• 1 Teaspoon fresh thyme, chopped
• 1 Teaspoon fresh rosemary, chopped
• To Taste fine sea salt
• To Taste black pepper
• 1 Teaspoon fresh oregano, chopped
• 3 Tablespoon olive oil
• 6 brioche buns, or other burger buns, for serving
• lettuce, for serving
• Red onion, sliced, for serving
• Ketchup, for serving
• sliced tomato, for serving