Clean, wash and cut the vegetables into pieces. Peel onion and garlic, dice roughly
Heat the oil in a large frying pan. Sauté the vegetables in it vigorously. Fry the onion and garlic briefly. Season with salt and pepper. Brown the tomato paste. Deglaze with tomatoes and juice, chop tomatoes. Bring to the boil, add herbs and stock and simmer for 8-10 minutes. Add olives. Season to taste
Spread the vegetables in an ovenproof dish if necessary. Grate the cheese on top. Gratinate under the hot oven grill for 4-5 minutes. Served with: baguette
Drink: light red wine