Slice the eggplant into 1cm thick pieces
Sprinkle salt over the eggplant and let it sit for 20 minutes
Pat the moisture off the eggplant with a paper towel
Heat olive oil in a pan and grill the eggplant until golden brown
Place a layer of grilled eggplant in an oven-safe dish and spread tomato sauce on top
Add mozzarella cheese and Parmesan cheese
Repeat the layers and finish with an extra layer of cheese on top
Bake in a 180°C oven for 20 minutes
Garnish with parsley and serve