Slice the eggplant into 0.5cm thick pieces.
Sprinkle the sliced eggplant with a little salt and let it sit for 10 minutes.
Heat olive oil in a pan and grill the eggplant slices on both sides until golden.
Sauté minced beef and onion in a pan, then add the sauce ingredients (tomato sauce, garlic, salt, pepper) and simmer.
Layer the grilled eggplant, meat sauce, mozzarella cheese, and Parmesan cheese in an oven-safe dish.
Bake in a preheated oven at 180°C for 25 minutes.