spring roll wrappers, skirt steak (i get mine tenderized by the butcher, you can also use rib eye, thinly sliced after searing), cheese (either cheez whiz, shredded American, cheddar or provolone cheese) really any traditional philly cheesesteak cheese, medium onion coarsely chopped, mushrooms coarsely chopped, green bell pepper coarsely chopped, garlic clove minced, salt (or Salt taste) it's a lot of filling, pepper, dried oregano, vegetable oil or any frying oil, butter