Peel onion and garlic, dice onion, press garlic through a garlic press. Heat 1-2 tablespoons of olive oil in a pan. Crumble the minced meat into it, fry well and finally add the onions and garlic. Season with pepper. Wash tomatoes and basil and dab dry. Cut half of the basil into fine strips and mix into the meat.
Cut the tomatoes into slices and put about half of them into the dish. Add the meat mixture and cover with the remaining tomato slices. Drain the mozzarella, also cut into slices and spread on the mead and tomatoes. Season with salt and pepper. Drizzle the remaining olive oil over the mozzarella and bake in a preheated oven (electric range: 200 °C/ gas: level 3) for about 15 minutes. Serve sprinkled with remaining basil