01Slice and salt.
Cut the aubergines lengthwise into slices about 5–7 mm thick. Layer with the salt in a colander and leave for 30–45 minutes.
Campanian parmigiana built from fried long aubergines, tomato sauce, drained fior di latte, basil and grated cheese, baked in layers.

Parmigiana di melanzane is a layered dish in which moisture management matters at every stage. Aubergines are salted, dried and fried until tender; cheese is drained before assembly; tomato sauce is cooked until concentrated enough to flavour the layers without flooding them.
The Campania regional agriculture authority records parmigiana as traditional throughout the region, with many variations. Its description centres on long local-style aubergines, fried in olive oil and layered with stretched-curd cheeses such as caciocavallo, provola or fior di latte, meatless ragù sauce and fresh basil.
The same regional source notes an important preparation detail for moist cheeses: provola or fior di latte may be dried in the refrigerator for 12–24 hours before use. That step is more effective than trying to fix a watery parmigiana by baking it much longer.
The aubergines should become tender and golden in the fryer but not brittle. Crisp slices do not settle into cohesive layers. After frying, draining on absorbent paper or a rack removes surface oil while preserving the soft interior.
Parmigiana can be made ahead and is often easier to portion after a short rest. The goal is a slice that shows repeated aubergine and tomato layers with cheese binding them together, not a rigid gratin or a loose stew.
Cut the aubergines lengthwise into slices about 5–7 mm thick. Layer with the salt in a colander and leave for 30–45 minutes.
Rinse away surface salt, then press the slices completely dry with clean towels.
Heat the frying oil to about 175 °C. Fry in batches until golden and fully flexible, then drain well.
The slices should bend easily and remain soft rather than shatter like crisps.
Warm the extra-virgin olive oil with the garlic until fragrant, add the passata and salt, then simmer uncovered for 20–25 minutes until thickened. Remove the garlic and tear in half the basil.
Heat the oven to 190 °C. Spread a thin layer of tomato sauce over the base of the baking dish.
Add aubergine slices in a close layer, then a little sauce, fior di latte, grated cheese and basil. Repeat until the ingredients are used, finishing with aubergine, sauce and grated cheese.
Bake for 30–35 minutes until bubbling and lightly browned at the edges.
The centre should be hot and set, with no large pool of watery whey around the edges.
Leave the parmigiana for 20–30 minutes before cutting into squares. Serve warm or at room temperature.
The Campania source specifically notes drying provola or fior di latte in the refrigerator for 12–24 hours. This is one of the strongest safeguards against watery layers.
Some Campanian households dip aubergine in egg with grated cheese before frying. This recipe uses the simpler unbreaded fried-slice route described as another traditional option.
Parmigiana can be baked a day ahead, chilled and reheated. Rested layers often cut more neatly than a just-baked dish.
Fried aubergine absorbs oil readily. Correct frying temperature and thorough draining control greasiness better than very low-temperature frying.
Estimate assumes moderate frying-oil absorption; actual fat content can vary substantially with aubergine variety and frying technique.
Contains milk.
Handle hot frying oil carefully and keep wet aubergine slices away from the pan to prevent splattering.
Refrigerate cooked parmigiana within 2 hours; reheat leftovers thoroughly.
The dish has strong traditions and competing origin claims across southern Italy. This selected production version follows the Campania regional record.
The Campania description specifies slicing the long aubergines with the skin on.
Yes, an egg-and-cheese-coated fried variant is noted in Campania. This version uses unbreaded fried slices.
Removing excess whey prevents the thin tomato layers from becoming watery during baking.