Portobello Mushroom Sandwich

With melty provolone, roasted red pepper, and creamy truffle aioli, this just might be the best portobello mushroom sandwich EVER!

📝 Ingredients

• 4 large portobello mushrooms
• 2 tablespoons balsamic vinegar
• 2 tablespoons olive oil
• 1 tablespoon dijon mustard
• 1/4 teaspooon rosemary
• 1/4 teaspoon black pepper
• 1/4 teaspoon salt
• 1/2 cup mayonnaise
• 2 garlic cloves, minced
• 1 tablespoon lemon juice
• 1/2 tablespoon truffle oil
• 1/8 teaspoon truffle salt
• 4 brioche buns
• 4 slices of provolone cheese
• 1 large roasted red pepper, julienned
• 1 cup of microgreens

👨‍🍳 Instructions

1. 1Marinate Mushrooms: To a small bowl add balsamic, olive oil, dijon mustard, rosemary, pepper and salt. Whisk together until combined. Add mushrooms to a large baking dish, pour the marinade over the mushrooms. Gently rub the marinade into all sides of the mushrooms. Let marinate for 30 minutes.
2. 2Make Truffle Aioli: To a small bowl, add mayonaisse, garlic, lemon juice, truffle oil and truffle salt. Whisk together until combined. Set aside.
3. 3Grill Mushrooms: Heat grill to medium-high heat, approximately 375°-400°F. Add mushrooms to the grill, cap side down. Grill for 4-5 minutes. Flip and grill for 4 minutes. Then add a slice of cheese to each mushroom and let them cook for 1 minute, or until cheese is melted. Remove from grill. (optional: top the buns on the grill as well – grill each side for 1 minute)
4. 4Assemble Sandwiches: To the bottom bun add 1 tablespoon of aioli, place the mushroom on top, then a handful of mircrogreens, a few slices of roasted red pepper then the top bun. Serve.