Wash and clean the zucchini and aubergine and cut into cubes (approx. 1 x 1 cm). Clean, wash and cut the bell peppers into pieces (1-2 cm)
Peel onion, chop coarsely. Heat olive oil in a frying pan. Fry the bell pepper and onion for 2-3 minutes while turning. Add zucchini and eggplant, fry for another 2-3 minutes
Peel garlic, dice finely and add. Add tomato paste and roast for 1-2 minutes, add broth. Wash herbs, shake dry, remove leaves or needles, chop finely
Add the herbs to the vegetables and simmer for about 10 minutes. Wash and clean the tomatoes, cut them into pieces and add. Season ratatouille with salt, pepper and sugar