The Philly Cheese Steak is a popular sandwich made with grilled seitan, melted vegan cheese, and creamy mac and cheese. It is served on a toasted ciabatta hoagie roll and topped with crispy fried onions. The sandwich is hearty and indulgent, with a rich and savory flavor that is sure to satisfy your cravings. Some reviews mention the sandwich being a flavor explosion, while others praise the crunch from the fried onions. Overall, the Philly Cheese Steak is a tasty and satisfying meal that is worth trying.