Because the garlic cloves are boiled with the potatoes, they make their presence felt sweetly rather than shoutily, and the Parmesan provides ... precious liquid (see recipe tip).
Buy fresh parmesan where possible; the taste is far superior to pre-packed cheese – and avoid ready-grated cheese at all costs. Because Parmigiano Reggiano cheese is not made with vegetarian ...
The distinct layers of breaded eggplant, rich tomato sauce and melted cheeses are what make this version great (and, frankly, easy to make ... and half of the Parmesan, and then basil leaves.