Instructions

1. Firstly, make the tomato sauce. Fry the chopped onion in a saucepan with extra virgin olive oil.Add the tomatoes and water and cook over a low heat for 30 minutes. Season with oregano, salt & pepper and set aside.
2. While the sauce is cooking, fry the aubergines on both sides. Preheat the oven to 180°C/350°F/gas mark 4.
3. To prepare the rolls, put one slice of aubergine on a plate. Lay one basil leaf, some proscuitto, a dollop of ricotta and a sprinkle of Parmesan. Roll to close.
4. Put rolls in an oiled baking dish. When the baking dish is full, pour the tomato sauce on top. Sprinkle with Parmesan and olive oil and bake for ten minutes.
5. Take out the baking dish and sprinkle the chopped mozzarella on top and bake for a further ten minutes, until the cheese is melted.