Pre-heat the oven to 180ºC
Slice the mozzarella into this slices and divide into 3 lots.
Tear the leaves of the basil and finely chop.
Pour a little passata into the oven dish. Place a layer of aubergine inside the dish. Cover with a little passata. Place one lot of mozzarella equally over the dish and sprinkle with 1/3 of the parmesan. Sprinkle a little salt and grind black pepper to season. Sprinkle 1/3 of the basil over the surface.
Repeat with 2 more layers of aubergine, passata, mozzarella, parmesan, seasoning and basil.
Cover the dish with baking foil, keeping the foil away from the top surface. Put in the oven and bake for 1 hour 15 minutes. Remove the foil and continue to bake for a further 15 minutes
Serve sprinkled with parmesan