Peel and finely chop the onion and 1 clove of garlic. Wash the herbs, dab dry and remove leaves or needles. Chop rosemary needles roughly. Clean, wash and dice the aubergine.
Clean, wash and chop the peppers. Wash, clean and chop the tomatoes. Heat the oil in a wide saucepan. Fry the diced aubergines and peppers for 2-3 minutes while turning. After about 1 minute add onion, garlic, bay leaf and herbs.
Add tomato paste and sweat briefly. Add the tomatoes. Deglaze with 150 ml broth. Season with salt, pepper and sugar. Simmer ratatouille for 10-15 minutes. Meanwhile wash the zucchini and cut lengthwise.
Halve 1-2 cloves of garlic. Remove the seeds from the halved courgettes with a ball-cutter and spread or rub them all around with oil and garlic. Heat up a large pan. Fry the zucchini on the inside in portions for about 2 minutes.
Remove and season with salt and pepper. Season the ratatouille again with salt, pepper and sugar and fill the zucchini with it. Put the zucchini on a fat pan of the oven. Pour on the rest of the hot broth and cook in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 20 minutes.
Prepare rice in boiling salted water according to package instructions. Remove the zucchini and arrange on a plate. Add the rest of the ratatouille and rice.