Pare the eggplant and cut into dices.
Simmer it until tender in boiling water.
Drain well. Sprinkle with chopped parsley.
Chop the onion until very fine.
Melt the butter
Sauté the onion in this until it is golden. Add it to the eggplant with the milk and eggs.
Melt 3 tablespoons butter.
Stir the cracker crumbs into the butter, until the butter is absorbed.
Preheat oven to 375°.
Place layers of eggplant and layers of crumbs in a baking dish. Season them, if the crackers are unsalted, with salt and paprika.
Wind up with a top layer of crumbs. Place on it: (Thin slices of cheese or grated cheese)
Bake the eggplant for 1/2 hour. Garnish with: Crisp crumbled bacon or thin strips of pepperoni