01 - Arrange eggplant slices in a single layer on a baking sheet, sprinkle both sides with salt, and let sit for 30 minutes to draw out moisture. Rinse and pat dry with paper towels.
02 - Preheat the oven to 375°F.
03 - Place flour in one shallow bowl. In a second bowl, whisk eggs with milk. In a third bowl, combine breadcrumbs, grated Parmesan, and black pepper.
04 - Dredge each eggplant slice in flour, dip into the egg mixture, then coat thoroughly with the breadcrumb mixture.
05 - Heat vegetable oil in a large skillet over medium heat. Fry eggplant slices in batches until golden brown on both sides, approximately 2 to 3 minutes per side. Drain on paper towels.
06 - In a small saucepan, heat olive oil over medium heat. Sauté garlic until fragrant, about 1 minute. Stir in marinara sauce and oregano, then simmer for 5 minutes.
07 - Spread a thin layer of sauce in the bottom of a 9x13-inch baking dish. Arrange half of the fried eggplant in a single layer. Top with half of the remaining sauce, half the mozzarella, and a sprinkle of Parmesan. Repeat the layering process.
08 - Cover loosely with aluminum foil and bake for 25 minutes. Remove foil and bake an additional 15 to 20 minutes until the top is bubbly and golden.
09 - Allow to cool for 10 minutes before garnishing with fresh basil and serving.