1½cupsgrated parmesan(5 oucnes) best if Parmigiano Reggiano or Grana Padano
2½cupsmozzarella(10 ounces) fresh is best — grated or chopped
1½cupsbasil leavesor to taste
For the Tomato Sauce
2tablespoonsextra virgin olive oil
1onionfinely chopped
3clovesgarlicminced or grated
5cupstomato passataor tomato puree (best if Italian-imported in a glass bottle)
½teaspoonsalt+ black pepper to taste
Instructions
Make the Tomato Sauce: Warm 2 tablespoons extra virgin olive oil in a wide pan. Sauté 1 onion (chopped) for 3 minutes, add 3 cloves garlic (grated), and cook 1 minute more.Pour in 5 cups tomato passata, season with ½ teaspoon salt and black pepper, and simmer gently for about 30 minutes, stirring now and then. The sauce should end up thick, not watery.
Bake the Eggplants: Heat the oven to 430°F (220°C). Line three large trays with parchment. Trim, rinse, and dry 4 pounds eggplants, then slice into ¼-inch (0.6 cm) rounds. Arrange in a single layer, brush lightly with 2 tablespoons extra virgin olive oil, and sprinkle with ½ teaspoon salt. Bake 25 minutes, until golden-brown. If using three trays, rotate their position halfway; fan-assist helps when the oven is full.
Assemble the Parmigiana: Spread a thin layer of sauce in a 9×13-inch (23×33 cm) casserole. Add the first layer of eggplant, snug but not overlapping. Spoon on sauce, then sprinkle finely grated Parmigiano, some chopped or grated mozzarella, and scatter fresh basil.Repeat for a second layer, reversing the direction of the slices. Build two more layers (four total). For the top layer, use extra sauce, Parmigiano, and mozzarella; skip basil on top.
Bake: Lower the oven to 350°F (180°C). Bake about 30 minutes, until the sauce bubbles at the edges and the cheese is fully melted.
Rest and Serve: Let the parmigiana rest at least 15 minutes (not optional) so the layers set and flavors meld. Finish with fresh basil, then slice into six pieces for a main or eight for a side.
Notes
Substitutions
Eggplants: Italian or globe are best. Try Japanese eggplants for a sweeter twist in a no fry eggplant parmesan.
Tomato Puree / Passata: Use imported Italian passata if possible. Swap with canned crushed tomatoes (cook longer) or store-bought marinara for speed.
Garlic and Onion: Go fresh for a classic sugo. Shallots work for a milder flavor. Skip powders.
Olive Oil: Extra virgin is ideal. Out? Use avocado oil for baking or butter for sauce.
Parmigiano Reggiano: Freshly grated is best. Substitute Grana Padano for milder taste, Pecorino Romano for a sharper bite.
Mozzarella: Fresh melts beautifully. Use low-moisture pizza mozzarella for less liquid, or provolone for stronger flavor.
Basil: Fresh is key. If unavailable, try dried oregano or fresh parsley.
Tips
Roast to deep golden: Bake until well browned, not just soft—dry slices = creamy, not watery.
Thicken the sauce: Simmer passata until glossy; thin sauce will seep and weaken the layers.
Dry the mozzarella: Pat fresh mozzarella dry or use low-moisture for cleaner slices.
Layer smart: Sauce first, snug eggplant, light cheese in the middle, extra sauce + cheese on top.
Bake right away: Never store unbaked—assemble → bake, or it turns watery and sour.
Let it rest: Cool 15–30 minutes so it slices neatly and flavors meld.
Make-ahead magic: Roast eggplant and cook sauce Day 1, bake Day 2, reheat Day 3. Better with time!
Choose real cheese: Freshly grated Parmigiano or Pecorino beats pre-shredded every time.
Rack & rotate: Bake trays on upper and middle racks, swapping halfway for even browning.
Vegetarian-friendly: Use rennet-free or vegan cheese to keep it fully vegetarian.
StorageStore leftover eggplant parmigiana covered in the fridge for up to 3 days, or freeze portions for up to 2 months.