If you’re ready to dive into an incredibly flavorful and fresh twist on a classic favorite, the Eggplant Lasagna with Spinach and Walnut Basil Pesto Recipe is about to become your new go-to. This luscious dish layers tender roasted eggplant with creamy ricotta, vibrant spinach, and a rich walnut basil pesto that’s so full of bright, herby notes, it elevates every bite. It’s comfort food taken to a whole new level—perfectly hearty yet full of fresh garden flavors that make every slice feel like a celebration.

Ingredients You’ll Need

This image shows a wooden cutting board on a white marbled surface. On the board, there are two whole dark purple eggplants and one eggplant sliced into seven thin pieces arranged in a slightly overlapping row. The sliced eggplant reveals a pale, creamy inside with small light brown seeds. In the front, there is one single slice laying flat, separate from the row. A knife with a black handle and silver blade rests near the bottom edge of the cutting board. The scene is bright and clear, emphasizing the smooth, shiny texture of the eggplants. photo taken with an iphone --ar 4:5 --v 7

Getting the perfect balance of flavors and textures starts with simple, wholesome ingredients that each play an essential role. From the silky roasted eggplant and fresh spinach to the luscious ricotta filling and nutty basil pesto, every component shines and harmonizes beautifully.

Eggplants (3 large, about 3 lbs): The star of this recipe, roasting them brings out their natural sweetness and a tender texture perfect for layering.

Salt (1 teaspoon + for sweating): Essential for drawing moisture from the eggplant and seasoning every layer just right.
Olive oil or ghee (2 tablespoons + 1 tablespoon): Adds richness and helps roast the eggplant to a golden finish.
Onion (1, diced): Builds a savory base for the spinach filling with gentle sweetness.

Garlic cloves (4-8, chopped): Infuses the filling and pesto with a comforting, aromatic punch.
Baby spinach (6 ounces): Adds a gentle, leafy freshness that lightly wilts into the ricotta layer.
Ricotta (16-ounce tub, or tofu ricotta): Creates a creamy, dreamy filling that binds everything together beautifully.

Large egg (1): Helps give structure to the ricotta mixture without weighing it down.
Fresh basil (chopped, 1/4 cup + 1/2 cup leaves): Infuses the dish with herby brightness and works magic in the walnut pesto.
Marinara sauce (24-ounce jar): Provides a tangy, rich tomato base to balance the roasted eggplant and creamy layers.

No-boil lasagna noodles (8 sheets): Makes assembly easy and keeps the layers perfectly tender without fuss.
Mozzarella (1–1 1/2 cups, grated): Adds gooey, melty stringiness that everyone loves in lasagna.
Pecorino cheese (1/4–1/3 cup, grated): Provides a sharp, salty contrast that brightens the creamy layers.

Red chili flakes (optional, 1/4–1/2 teaspoon): Just a hint of heat to gently awaken the flavors.
Toasted almonds or pine nuts (1/4 cup): Create richness and crunch in the walnut basil pesto.
Arugula (1 cup packed): Adds peppery notes that balance the pesto beautifully.

Lemon zest and juice (1 teaspoon zest, 1 tablespoon juice): Bring fresh brightness to the pesto that makes it truly irresistible.
Light-flavored olive oil (1/3–1/2 cup): Used in the pesto to keep it smooth and luscious without bitterness.

How to Make Eggplant Lasagna with Spinach and Walnut Basil Pesto Recipe

A close-up image of a black cast iron pan filled with bright green wilted spinach leaves mixed with translucent light golden chopped onions, with some darker caramelized bits visible. A wooden spoon with a light brown handle rests inside the pan. Steam rises gently from the mixture. The pan is set against a white marbled texture surface. photo taken with an iphone --ar 4:5 --v 7

Step 1: Prepare and Roast the Eggplant

First things first, preheat your oven to 400 degrees Fahrenheit. Slice the eggplant into 1/2-inch thick slices and lay them out on parchment-lined baking sheets. To get that ideal roasted texture, sprinkle salt evenly on both sides and let the slices sweat for 15 to 20 minutes. This step is key to remove excess moisture so the eggplant roasts instead of steams, resulting in tender yet firm slices. After patting them dry, brush each side with olive oil and roast on the middle rack for 30-40 minutes, turning once to get a beautiful golden color. Keep an eye on them as thinner slices cook faster, but the result is pure magic: caramelized, smoky, perfect layers for the lasagna.

Step 2: Sauté the Spinach Filling

While your eggplants roast, sauté the diced onion in a skillet with olive oil until soft and fragrant, about 5-7 minutes. Then add garlic and cook just until the aroma bursts forth. Toss in the baby spinach and gently wilt it by lowering the heat. Season lightly with salt, pepper, and if you like, a pinch of red pepper flakes for a subtle kick. This spinach mixture adds moisture and a gentle earthiness that balances the richness of the layers beautifully.

Step 3: Prepare the Ricotta Mixture

In a medium bowl, whisk together ricotta, a large egg, chopped basil, salt, nutmeg, and pepper. This mixture creates a creamy, flavorful binder that keeps the lasagna luscious without being dense or heavy. The fresh basil infuses a lovely herbal note, while nutmeg adds a subtle warmth—ingredients that come together perfectly in this comforting dish.

Step 4: Assemble the Layers

Take a 9×13 or 12-inch round baking dish and lightly oil it to prevent sticking. Start by spreading a generous 3/4 cup of marinara sauce across the bottom—this keeps the noodles from drying out. Lay half of the no-boil noodles evenly on top, then add another thin coat of marinara. Next, arrange half the roasted eggplant slices, overlapping slightly if needed, before dotting with half the ricotta mixture in fluffy spoonfuls. Spoon over all the sautéed spinach, then sprinkle with mozzarella and pecorino cheeses for a gooey, savory touch.

Repeat with the second layer of noodles, more marinara, the remaining eggplant, marinara again, and finish with the rest of the ricotta, chili flakes if using, mozzarella, and pecorino. This layering creates that beautiful lasagna structure packed with flavors in every bite.

Step 5: Bake to Perfection

Cover the lasagna with foil—if the dish is filled near the edges, place parchment paper under the foil to prevent sticking. Bake at 375 degrees Fahrenheit for 45 to 50 minutes until heated through and bubbling. Remove the foil and bake for another 10 to 20 minutes, or until the top is gloriously golden and slightly puffed. That golden crust is the ultimate sign of a lasagna well made.

Step 6: Make the Walnut Basil Arugula Pesto

While the lasagna bakes, prepare the walnut basil pesto by pulsing toasted almonds or pine nuts, basil leaves, arugula, garlic, lemon zest, lemon juice, olive oil, salt, and pepper in a food processor. Aim for a chunky yet cohesive texture—not too smooth—to keep that fresh, vibrant pesto bite. This lively pesto is the perfect topping or side dip to jazz up every forkful of lasagna.

Step 7: Rest and Serve

Once out of the oven, let your lasagna rest for about 5 minutes. This brief pause allows the layers to set up beautifully so every slice holds together perfectly. Serve dolloped or drizzled with the fresh walnut basil pesto, offering a bright, peppery counterpoint that makes this Eggplant Lasagna with Spinach and Walnut Basil Pesto Recipe truly unforgettable.

How to Serve Eggplant Lasagna with Spinach and Walnut Basil Pesto Recipe

Garnishes

A sprinkle of extra chopped fresh basil or a few cracks of black pepper add an effortless finishing touch that elevates the dish. You might also add a few torn walnut pieces for texture and a fresh squeeze of lemon over the pesto to brighten everything.

Side Dishes

This rich lasagna pairs wonderfully with light sides such as a crisp green salad with lemon vinaigrette or roasted seasonal vegetables to complement the layers without overpowering them. Garlic bread or focaccia are also fantastic if you’re looking for extra indulgence.

Creative Ways to Present

For a dinner party, assemble individual portions in small ramekins and bake them for personalized servings. Another fun twist is layering this lasagna in a deep rectangular baking tray with portions pre-cut, allowing guests to serve themselves with ease. Drizzling extra walnut basil pesto pools artfully on the plate make it a feast for both eyes and palate.

Make Ahead and Storage

Storing Leftovers

Leftover Eggplant Lasagna with Spinach and Walnut Basil Pesto Recipe keeps beautifully in the fridge for up to 3-4 days when tightly wrapped or stored in an airtight container. The flavors continue to deepen, making it an even more satisfying meal the next day.

Freezing

You can freeze the whole lasagna or individual portions after it has completely cooled. Wrap tightly in foil and place in airtight containers or freezer bags. Frozen lasagna stays delicious for up to 2-3 months, making it a perfect make-ahead meal for busy days.

Reheating

Reheat slices in the oven at 350 degrees Fahrenheit covered with foil until warmed through, about 20-30 minutes, to preserve texture and moisture. Alternatively, microwave individual servings covered to prevent drying out, stirring the pesto before adding it freshly on top for burst of flavor.

FAQs

Can I use regular ricotta or should I try tofu ricotta?

Traditional ricotta provides that creamy texture and tangy flavor classic to lasagna, but tofu ricotta is a great plant-based alternative that still delivers creaminess and works beautifully with the fresh herbs and spices in this recipe.

Do I need to pre-cook the lasagna noodles?

No-boil noodles work perfectly for this dish and make assembly easier. If you prefer traditional noodles, cook them al dente before layering to ensure they’re tender but not mushy in the final baked dish.

What can I substitute if I don’t have arugula for the pesto?

Baby spinach or a mild kale variety can stand in for arugula in the pesto, offering a slightly different but still delicious flavor profile. You might also use all basil for a more classic pesto flavor.

Is there a way to make this recipe nut-free?

Absolutely. Simply omit the toasted almonds or pine nuts in the pesto and replace them with toasted seeds like pumpkin or sunflower seeds for that same crunch and earthiness without nuts.

How spicy is the chili flakes addition and can I leave them out?

The chili flakes add just a subtle warmth and gentle kick. They can easily be left out for a milder version with no loss of flavor depth, especially if serving to children or those sensitive to spice.

Final Thoughts

This Eggplant Lasagna with Spinach and Walnut Basil Pesto Recipe is truly a celebration of fresh and comforting flavors all layered into one stunning dish. Whether you’re cooking for family or impressing friends, it’s a satisfying meal that feels special yet approachable. I hope you enjoy making it as much as I enjoy sharing it—here’s to many delicious slices ahead!