Low Carb Eggplant Lasagna
This Low Carb Eggplant Lasagna provides a savory, cheese-laden, and deeply comforting Italian meal that brilliantly replaces traditional pasta sheets with tender roasted eggplant. Because you utilize eggplant slices that have been par-roasted, you achieve a stable structure that perfectly holds the herb-flecked ricotta and melted mozzarella. Furthermore, the inclusion of iron-rich spinach and fresh basil ensures each bite is packed with Mediterranean flair and nutrients, making it a sophisticated yet healthy choice for family dinners.

Ingredients & What You’ll Need
- Eggplants: Serve as the high-fiber, low-carb “noodles”; you should slice them lengthwise into half-inch planks for the best layering.
- Ricotta, Mozzarella, and Parmesan: Work together to create a creamy, gooey, and salty cheese profile that defines a classic lasagna.
- Large egg: Functions as a binder for the ricotta mixture to ensure the filling stays in place during slicing.
- Frozen spinach: Adds a boost of greens; you must ensure it is thawed and wrung completely dry to prevent a watery result.
- Fresh parsley and basil: Impart a vibrant, aromatic freshness that elevates the sauce and cheese.
- Garlic and dried oregano: Provide the essential savory depth and classic Italian seasoning.
- Pasta sauce: Acts as the savory liquid bridge between layers; choose a sugar-free version to keep the recipe keto-compliant.
How to Make Low Carb Eggplant Lasagna
This method focuses on preparing the eggplant properly to ensure a firm, flavorful texture that mimics the bite of traditional pasta.
1. Salt and Prep the Eggplant
First, season your eggplant slices on both sides with kosher salt and set them aside for 20 to 30 minutes. This step is crucial because it draws out excess moisture and bitterness. While waiting, preheat your oven to 400°F. Once ready, wipe the slices very well with paper towels to remove moisture and excess salt. Arrange them on a lightly oiled baking sheet and brush the tops with olive oil.
2. Roast until Pliable
Roast the eggplant in the oven for 15 to 20 minutes until they soften and become pliable. Consequently, you develop the flavor of the vegetable and ensure it won’t release water into your lasagna later. Remove the slices from the oven and lower the temperature to 375°F.
3. Mix the Ricotta Filling
While the eggplant roasts, beat the egg in a mixing bowl. Add the ricotta, 1 cup of mozzarella, ¼ cup of Parmesan, minced garlic, oregano, dried spinach, and the fresh herbs. You should mix this thoroughly until the greens are evenly distributed through the cheese. Therefore, you create a rich, herb-heavy filling that provides the main structure of the dish.
4. Layer the Lasagna
Prepare a 9×13-inch baking dish by spreading about ½ cup of pasta sauce on the bottom. Lay down a layer of eggplant slices, followed by half of the ricotta mixture and a thin layer of sauce. Repeat this pattern once more. Finish with a final layer of sauce and the remaining mozzarella and Parmesan.
5. Bake and Set
Cover the dish tightly with foil and bake for 15 to 20 minutes. Carefully remove the foil and return the dish to the oven for another 10 to 20 minutes. You must wait until the cheese has melted and the edges are golden brown. Finally, let the lasagna rest for 10 minutes before cutting; this allows the layers to set so you can serve clean, beautiful squares.
Tips and Notes
- Moisture Management: You must wring out the spinach and roast the eggplant; these are the best ways to avoid a “soupy” lasagna.
- Make-Ahead Strategy: You can roast the eggplant and mix the ricotta filling a day in advance; simply store them in separate containers and assemble right before baking.
- Sauce Choice: Always check the labels of store-bought sauces for added sugars; a simple marinara or a homemade keto sauce is the best way to keep the carb count low.
- Freezing Note: It is best not to freeze this dish, as eggplant tends to become overly watery and mushy upon thawing.

Low Carb Eggplant Lasagna
This Low Carb Eggplant Lasagna is a decadent, grain-free alternative to the Italian classic. By using roasted eggplant planks and a rich, three-cheese herb filling, you can enjoy a hearty dinner that is as nutritious as it is comforting.
Ingredients
- 2-3 large eggplants (~1.5 lbs), sliced into 1/2-inch planks
- 15 oz part-skim ricotta cheese
- 1 1/2 cups mozzarella cheese, divided
- 1/2 cup grated Parmesan cheese, divided
- 1 large egg
- 10 oz frozen spinach, thawed and wrung dry
- 2 cups low-carb pasta sauce
- Herbs & Spice: 3 garlic cloves (minced), 1 tsp dried oregano, 1 cup fresh parsley, 1/2 cup fresh basil, salt/pepper to taste
Instructions
- Sweat: Salt eggplant slices for 20 minutes; wipe dry.
- Roast: Brush with olive oil and bake at 400°F for 15-20 minutes until soft.
- Mix: Combine egg, ricotta, 1 cup mozzarella, 1/4 cup Parmesan, spinach, and herbs in a bowl.
- Layer: In a 9x13 dish, layer sauce, eggplant, and ricotta mixture. Repeat, finishing with sauce and the remaining cheese.
- Bake: Cover with foil and bake at 375°F for 20 minutes. Uncover and bake 15-20 more minutes until golden.
- Rest: Let the lasagna sit for 10 minutes before serving to ensure it holds its shape.
Nutrition Information:
Serving Size: per servingAmount Per Serving:Calories: 240Total Fat: 14gSaturated Fat: 8gCarbohydrates: 13gNet Carbohydrates: 8gFiber: 5gSugar: 6gProtein: 16g