Clean, wash and slice the aubergines lengthwise. Sprinkle with salt and leave to stand for about 15 minutes. Peel, wash and slice the potatoes lengthwise
Peel and chop onion and garlic. Heat 1 tablespoon of oil and sauté the onion and garlic. Add tomatoes with juice and chop a little. Simmer everything for 5-10 minutes. Wash and pluck the basil and cut into strips. Add to the sauce and season with salt and pepper
Dab aubergines dry. Fry the potatoes in portions in the remaining oil until golden brown. Season with salt and pepper
Layer the vegetables and sauce in a greased casserole dish. Grate the cheese and sprinkle over the casserole. Bake in the preheated oven (electric cooker: 200 °C / convection oven: 175 °C / gas: level 3) for approx. 20 minutes
Drink: mineral water