Philly Cheesesteak-Stuffed Mushrooms Recipe

Ingredients

• Mushrooms
• 4 large Portobello mushrooms
• 8 teaspoons extra-virgin olive oil
• 1 teaspoon kosher salt
• 1 pound skirt or flap steak, cut into ¼-inch pieces
• 2 teaspoons tapioca flour
• ½ teaspoon freshly ground black pepper
• ½ teaspoon cayenne pepper
• ½ teaspoon dried thyme
• ½ teaspoon garlic powder
• 2 tablespoons extra-virgin olive oil
• ¾ cup small-diced green bell pepper
• ½ cup small-diced yellow onion (about ½ small onion)
• 2 garlic cloves, minced
• 2 teaspoons Dijon mustard
• 2 tablespoons coconut aminos
• ½ teaspoon fish sauce
• 4 slices provolone cheese
• Chopped parsley, for serving (optional)