1. Cut the peeled tomatoes into quarters,
2. the eggplants and zucchinis into slices.
3. Slice the peppers into strips
4. and the onion into rounds.
5. Heat 2 tablespoons of oil in a pan
6. and melt the onions and peppers in it.
7. When they are tender, add the tomatoes, minced garlic, thyme, and bay leaf.
8. Season with salt and pepper and let simmer covered for 45 minutes.
9. Meanwhile, prepare the eggplants and zucchinis. Cook them separately or together in olive oil for 15 minutes.
10. Check the doneness of the vegetables so they are no longer firm. Then add them to the tomato mixture and continue cooking on very low heat for 10 minutes.
11. Season with salt and pepper if needed.