Baked eggplant parmigiana: the recipe for a rich and tasty dish

Sauté the onion and prepare the sauce for the Parmigiana.
Cut the eggplants, arrange them on the baking sheet and season them.
Bake at 200° for 15-20 minutes.
Cut the mozzarella and create the different layers.
Bake at 180° for 30-40 minutes.