Peel, wash and cut the potatoes into large pieces. Fry in hot oil while turning for about 10 minutes. Wash and chop the aubergine, zucchini and peppers. Peel onions and garlic and cut into sticks or slices. Add all ingredients to the potatoes and fry for 5 minutes.
Season with herbs, salt and pepper. Wash, clean and quarter the tomatoes. Remove the seeds from the tomatoes and cut the flesh into cubes. Finally sprinkle over the vegetables