Panino Vegetariano

A cook salts a tray of sliced aubergine, leaves it to sweat for an hour, then lays the slices on a ridged griddle until they collapse and char in stripes. That weeping step is the start of a real panino vegetariano, because raw vegetables hold water and water is the enemy of bread. The courgette goes on next, cut lengthwise so it drapes rather than rolls; the peppers are blistered black, sealed in a bowl to steam, then peeled and torn into strips. By the time any of it touches the ciabatta it has been cooked down, drained, and dressed, which is what separates a proper panino from a wet pile slumped in a soft roll.

Salt cured ham brings its own savour. Rendered fat brings its own bind. A spoon of sugo brings its own moisture. Vegetables bring none of those, so the dressing has to do all three jobs at once. Oil beaten with crushed garlic and a splash of red wine vinegar coats the grilled slices, stops them weeping further, and gives them a back-note of acid they cannot supply themselves; a film of stracchino or fresh ricotta against the crumb works as edible mortar that glues the build and seals the bread against the oil behind it. The flavour is assembled, not inherited, and that assembly is the whole craft.

Every component has its own way of ruining the sandwich, and the build is arranged to head each one off. An aubergine pulled off the heat while it still squeaks stays bitter and rubbery and slides out under the first bite; taken further, until it goes silky and smoky, it behaves. A pepper left wet from the jar soaks the crumb and tastes of brine and nothing else, so it has to be dried on a cloth before it goes anywhere near the bread. The roll itself can sink the sandwich: a pillowy bun dissolves into an oily filling within minutes, while a baguette too hard for the job tears the soft vegetables apart and shoots them out the far end. Ciabatta threads between the two, open enough to compress, firm enough to hold.

Hold one that has been pressed on the bar plancha and warm oil and scorched pepper skin come up off the paper before you even bite. The crust gives a short crackle, then the inside is soft all the way through, the aubergine almost melting, the courgette slippery, the cheese gone loose and warm against the roof of the mouth. A thread of garlic oil runs down toward your wrist and you turn the roll to catch it. The vinegar arrives late and sharp behind all that softness, and a torn basil leaf releases its green note only when the heat of the bread hits it. Nothing in the bite is crisp except the crust, and that single hard edge is what keeps the whole soft mass holdable.

It is the standing meatless order at the Italian bar, and the grammar of ordering it is regional. In a Ligurian shop you ask for it with pesto and a few boiled green beans worked in; in Sicily the counter may fill it with caponata, the sweet-and-sour aubergine relish, scooped cold into the roll. North of Rome it leans on grilled vegetables under oil; further south it leans on the soft cheeses. At a Milanese paninoteca it is the line you take when the board is all salame and cotto, and the good ones keep their grilled vegetables under oil in trays the way a deli keeps cold cuts, building to order rather than from a fridge of pre-made rolls. The vegetables sitting in their own marinade are the tell that the place takes the meatless build seriously.

The close relations are really separate sandwiches filed under one heading. The caprese panino of tomato, mozzarella, and basil is carried by a soft fresh cheese and a ripe tomato rather than by grilled vegetables and oil, and behaves like a different sandwich entirely. The cheese-driven grilled build, where a melting scamorza does the binding, is a third thing again. None of these is the parent of the others; they are siblings that happen to skip the meat. The sharpest contrast sits outside Italy: the French sandwich crudités answers the same meatless brief with raw salad and a slick of mayonnaise instead of cooked vegetables and oil, which shows exactly what the Italian build gains by cooking the water out first.

A Form Without an Inventor

There is no founding story here, and inventing one would be dishonest. The panino is simply the Italian word for a filled roll, and a vegetable filling is as old as the practice of dressing grilled or pickled produce in oil to keep it, which Italian households have done for as long as there have been gardens and a glut to preserve. What can be dated is not the sandwich but the counter culture that made it an everyday order, and that record runs through Milan.

Bar Quadronno opened in Milan in 1964 and is generally counted among the first paninoteche in the city, the kind of place that built sandwiches to order across a counter rather than wrapping them in advance. Two decades later the panino became a youth uniform: by the early 1980s a tribe of Milanese teenagers were named paninari after the bars they colonised, and the British group Pet Shop Boys recorded a single called "Paninaro" in 1986 after a trip to the city, carrying the word abroad. The meatless build rode that same boom, sold from the same trays.

The grilled-vegetable version owes nothing to a chef and everything to that bar trade, where a tray of aubergine and peppers under oil sat next to the cured meats and got built into a roll on request. Its pedigree is the preserving jar and the paninoteca counter, and the firmest date attached to it is the one on the door of Bar Quadronno: Milan, 1964.