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Easy Eggplant Lasagna Bake Recipe | Healthy Vegetarian Lasagna Dinner

A lighter, veggie-forward lasagna that swaps noodles for tender roasted eggplant, layered with creamy ricotta, mozzarella, and bright marinara. Comforting, make-ahead friendly, and great for leftovers.
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Prep Time 25 minutes
Cook Time 45 minutes
Total Time 1 hour 20 minutes
Servings 8 servings

Ingredients
  

Ingredients

  • 2 large eggplants (about 2 to 2.5 pounds total), sliced lengthwise 1/4-inch thick
  • 2 tablespoons olive oil, plus more for brushing
  • Salt and black pepper, to season
  • 15 ounces ricotta cheese (whole milk for creaminess)
  • 1 large egg
  • 1/2 cup grated Parmesan (or Pecorino Romano)
  • 1 cup shredded mozzarella (low-moisture)
  • 2 cloves garlic, finely grated or minced
  • 1 to 2 tablespoons chopped fresh basil (or 1 teaspoon dried Italian seasoning)
  • Pinch of red pepper flakes (optional)
  • Salt and pepper, to taste
  • 3 to 3 1/2 cups marinara sauce (store-bought or homemade)
  • 1 1/2 cups shredded mozzarella (for layering and topping)
  • 1/4 cup grated Parmesan (for topping)
  • Fresh basil or parsley, for garnish
  • 2 cups fresh spinach, wilted and squeezed dry (optional)
  • 1 cup sautéed mushrooms, chopped (optional)
  • 1 small zucchini, thinly sliced and roasted with the eggplant (optional)

Instructions
 

Instructions

  • Heat the oven to 425°F (220°C) and line two sheet pans with parchment.
  • Trim eggplant ends and slice lengthwise into 1/4-inch planks, aiming for even thickness.
  • Arrange slices on pans, brush both sides lightly with olive oil, and season with salt and pepper.
  • Roast for 18 to 22 minutes, flipping once, until tender and lightly golden, then reduce oven to 375°F (190°C).
  • In a bowl, mix ricotta, egg, Parmesan, mozzarella, garlic, basil, and red pepper flakes; season with salt and pepper until smooth.
  • Lightly oil a 9x13-inch baking dish and spread a thin layer of marinara on the bottom.
  • Layer roasted eggplant to cover the bottom, spread half the ricotta mixture, sprinkle some mozzarella, and spoon over a light coating of marinara.
  • Repeat layers with eggplant, remaining ricotta, mozzarella, and sauce.
  • Finish with a final layer of eggplant, a generous layer of marinara, and top with the remaining mozzarella and Parmesan.
  • Cover loosely with foil, bake at 375°F for 20 minutes, then uncover and bake 12 to 15 minutes until bubbly and golden in spots.
  • Rest 10 to 15 minutes before slicing, garnish with fresh basil or parsley, and serve.

Notes

Avoid over-saucing to prevent watery slices, and roast eggplant until tender before assembling. If adding spinach or mushrooms, cook off excess moisture first. Make ahead by assembling up to a day in advance; bake from cold, adding 5 to 10 minutes to covered bake time. Leftovers keep up to 4 days refrigerated or up to 3 months frozen.