Cut the aubergine into small cubes, sprinkle with salt and leave to stand for 10 minutes. Dab dry with kitchen paper. Cut celery into small cubes and onion into very fine cubes. Chop garlic, sprinkle with salt and crush finely with a knife. Scald tomato, peel skin. Cut the flesh and mozzarella into small cubes. Heat oil.
Fry aubergine, celery and onions for 5 minutes. Season with salt and pepper. Add tomato cubes, mozzarella, olives and wine. Cover and cook for another 5 minutes until the cheese has melted. Pluck the basil and sprinkle with the capers over the vegetables. Serve with boiled potatoes