Portobello Mushroom & Provolone Sub Cyndi Gurrola March 19, 2025 Comments Off on Portobello Mushroom & Provolone Sub Baby Portobello Sautéed with Peppers and Onions, and Calabrian Pepper Aioli with Melted Provolone Cheese on a Toasted Italian Roll Make it a Philly Cheesesteak +$4.99