Clean and wash the aubergines and cut them lengthwise into 3 slices. Season with salt, put aside. Wash, clean and chop the tomatoes. Peel and chop onion and garlic. Press sausage meat out of the skin.
Heat 1 tablespoon of oil in a frying pan and fry the sausage meat until finely crumbly. Add onions and garlic and fry briefly. Add tomato paste and sauté. Add tomatoes and oregano, simmer for about 10 minutes at low heat.
Season to taste with salt, pepper and sugar.
Dab aubergines dry. Heat 4 tablespoons of oil in a frying pan. Fry the aubergines on both sides. Drain on kitchen paper and spread on a baking tray. Spread the salsicce ragout over the aubergines.
Drain the mozzarella, grate roughly and sprinkle on the aubergines. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for approx. 10 minutes. Remove from the oven and arrange.
Delicious with baguette bread.