The Schmitter is a Philadelphia steak sandwich that breaks the city's own rules, and the rule it breaks is the defining one: it puts fried salami on the beef. Where a cheesesteak is an argument about thin griddled beef and which cheese, the Schmitter adds a second cured, fried meat and a proprietary special sauce, and those two additions are the entire reason it has its own name instead of being a cheesesteak variant. It is built on a Kaiser roll rather than a long Italian loaf, which signals the difference before the first bite: this is a stacked, sauced, two-meat sandwich, not a folded griddle steak.
The craft is in the layering and the sauce. Sliced beef is griddled, and alongside it salami is fried until its edges curl and crisp and it renders a little of its own spiced fat, so the sandwich carries two distinct cured-and-seared notes instead of one. Melted cheese binds them, and grilled onions go in for sweetness and slack. Tomato slices add a cool, acidic break that a cheesesteak usually does without. The special sauce is the keystone and the part that is not given away: a tangy, creamy dressing applied inside the roll so it coats every layer rather than sitting on top. The Kaiser roll is chosen for structure, a domed, sturdy roll that can hold two meats, cheese, onions, tomato, and a wet sauce without folding the way a softer roll would.
The variations are few, because the Schmitter is closely held and largely defined by a single recipe rather than a regional family. A chicken version swaps the beef while keeping the fried salami and the sauce; portion and roll size scale up and down, but the two-meat-plus-special-sauce architecture is the fixed point. Its true relatives are the Philadelphia cheesesteak and the city's roast pork sandwich, both built on the same griddle-and-roll instincts in different directions. Each of those deserves its own article rather than being crowded in here.