The Jersey Shore Italian sub is defined by what it leaves off. Where most cold Italian builds reach for a full salad of shredded lettuce, tomato, and raw onion, the Shore reading strips the dress down to oil, vinegar, and hot peppers and lets the cured meat carry the sandwich nearly unaccompanied. Cappacuolo, prosciutto, salami, and provolone are shingled the length of the roll, and the only assertive additions are the sharp vinegar and the heat. The spareness is the identity: this is a sub built so that the quality of three cured pork cuts has nowhere to hide behind a pile of greens.
The craft is in the roll and the order of assembly. The bread is a long Italian loaf with a crust firm enough to hold a cold load end to end without folding and a crumb tender enough not to fight it. The meats are sliced thin and laid overlapping so every bite delivers cappacuolo, prosciutto, salami, and provolone together rather than a stratum of one. The cheese goes against the bread, the meats stack inward, and the oil and vinegar are applied last, directly onto the meat, late enough that the roll takes the seasoning without going soft before it reaches the hand. The hot peppers, sliced long hots or a cherry-pepper relish, are the structural counter the missing lettuce would otherwise provide: they bring the acid and the bite that cut the fat of the prosciutto and keep the sandwich from reading as one heavy salt note. A few minutes wrapped, so the dress works into the meat, is part of the recipe rather than a delay.
The variations stay inside the cold long-roll frame and turn mostly on heat and which cured meats. A milder build drops the long hots; a fuller one stacks ham and mortadella into the core; the sharper Shore version leans hard on the vinegar and the pepper relish. The cold Italian sits on a wide regional map of subs, hoagies, heroes, and grinders that share the architecture under other names and other dressing rules. Those are codified builds with their own followings, and each deserves its own article rather than being crowded in here.