Thinly slice eggplant, zucchini, tomato, and onion.
Heat olive oil in a pan and sauté minced garlic.
Add onion and sauté until it becomes translucent.
Add tomato sauce and herbs, then bring to a simmer.
Pour the sauce into an oven-safe dish.
Layer the sliced vegetables on top.
Drizzle olive oil on top, then sprinkle with herbs, salt, and pepper.
Bake in a preheated oven at 180°C (356°F) for 25 minutes.