
Spinach mushroom lasagna is a delightful twist on the classic Italian dish, combining the earthy flavors of mushrooms with the nutritious goodness of spinach, all layered between creamy béchamel sauce, rich tomato sauce, and tender lasagna noodles. This vegetarian-friendly recipe not only satisfies hearty appetites but also offers a healthier alternative to traditional meat-based lasagnas. Making it involves sautéing mushrooms and spinach, preparing a smooth béchamel sauce, and layering these ingredients with pasta sheets and cheese before baking to golden perfection. Whether you're a seasoned cook or a beginner, this dish is both rewarding to prepare and a crowd-pleaser at any meal.
| Characteristics | Values |
|---|---|
| Main Ingredients | Spinach, mushrooms, lasagna noodles, ricotta cheese, mozzarella cheese, Parmesan cheese, marinara sauce, olive oil, garlic, onion, salt, pepper, nutmeg |
| Prep Time | 30 minutes |
| Cook Time | 45-60 minutes |
| Total Time | 75-90 minutes |
| Servings | 6-8 |
| Cooking Method | Baking |
| Temperature | 375°F (190°C) |
| Skill Level | Intermediate |
| Dietary Considerations | Vegetarian (can be made vegan with substitutions) |
| Key Steps | Sauté mushrooms and spinach, prepare cheese mixture, layer ingredients, bake until bubbly and golden |
| Optional Additions | Ground meat (for non-vegetarian version), different types of cheese, herbs like basil or oregano |
| Storage | Refrigerate leftovers for up to 3 days, freeze for up to 1 month |
| Reheating Instructions | Bake in oven at 350°F (175°C) for 20-25 minutes or until heated through |
| Nutritional Information (per serving) | Calories: ~350-450, Protein: ~20g, Carbohydrates: ~30g, Fat: ~15g (varies based on ingredients) |
| Special Equipment | 9x13 inch baking dish, large skillet, mixing bowls |
| Tips | Use no-boil lasagna noodles for convenience, avoid over-layering to prevent sogginess |
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What You'll Learn
- Ingredients: Gather fresh spinach, mushrooms, lasagna sheets, ricotta, mozzarella, Parmesan, marinara sauce, garlic, olive oil
- Prep Work: Chop mushrooms, wilt spinach, grate cheeses, boil lasagna sheets al dente
- Layering: Alternate pasta, marinara, spinach, mushrooms, and cheese mixture in a baking dish
- Baking: Cover with foil, bake at 375°F for 30 minutes, then uncover and bake 15 more
- Serving: Let rest 10 minutes, slice, garnish with basil, and serve warm

Ingredients: Gather fresh spinach, mushrooms, lasagna sheets, ricotta, mozzarella, Parmesan, marinara sauce, garlic, olive oil
To begin crafting your spinach mushroom lasagna, it's essential to gather high-quality, fresh ingredients that will elevate the flavors of your dish. Start by selecting fresh spinach, ensuring the leaves are vibrant and free from wilting. Baby spinach works well as it's tender and cooks quickly. Next, choose mushrooms that are firm and fragrant; cremini or button mushrooms are excellent options for their earthy flavor. These two ingredients will form the hearty, vegetable-rich layers of your lasagna.
The foundation of your lasagna lies in the lasagna sheets. Opt for either traditional wheat sheets or no-boil sheets, which simplify the preparation process. For the cheese component, gather ricotta for its creamy texture, mozzarella for its melt-in-your-mouth quality, and Parmesan for its sharp, nutty flavor. These cheeses will create a rich, indulgent filling and a golden, bubbly topping. Additionally, marinara sauce will serve as the base, adding a tangy tomato flavor to bind everything together.
Aromatics play a crucial role in enhancing the overall taste of your lasagna. Garlic is a must-have ingredient, as its pungent flavor will infuse the dish with depth. Finely mince the garlic to ensure it distributes evenly throughout the layers. Olive oil is another key component, used for sautéing the mushrooms and garlic, adding a fruity richness to the vegetables. These two ingredients will create a flavorful base that complements the spinach and mushrooms.
When gathering your ingredients, consider the balance of flavors and textures. The freshness of the spinach and mushrooms should shine, while the cheeses and marinara sauce provide a comforting, cohesive element. The garlic and olive oil will tie everything together, creating a harmonious blend of tastes. By carefully selecting and preparing these ingredients, you'll set the stage for a delicious, satisfying spinach mushroom lasagna.
Lastly, ensure you have enough of each ingredient to create multiple layers, as this is key to a hearty and visually appealing lasagna. Measure out the ricotta, mozzarella, and Parmesan to guarantee even distribution, and have extra marinara sauce on hand to keep the dish moist. With all your ingredients gathered and prepped, you'll be ready to assemble and bake a mouthwatering spinach mushroom lasagna that's sure to impress.
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Prep Work: Chop mushrooms, wilt spinach, grate cheeses, boil lasagna sheets al dente
To begin the prep work for your spinach mushroom lasagna, start by chopping the mushrooms. Select fresh, firm mushrooms such as cremini or white button mushrooms. Rinse them gently under cold water to remove any dirt, then pat them dry with a paper towel. Using a sharp knife, slice the mushrooms into uniform pieces, about ¼ inch thick. This ensures they cook evenly and blend well with the other ingredients. Place the chopped mushrooms in a bowl and set them aside until you’re ready to sauté them for the filling.
Next, wilt the spinach to reduce its volume and soften its texture. Fresh spinach works best for this recipe. Rinse the spinach leaves thoroughly to remove any grit, then shake off excess water or pat them dry. In a large skillet over medium heat, add a drizzle of olive oil or a small amount of butter. Once the oil is hot, add the spinach in batches, stirring constantly with tongs or a spatula. The spinach will quickly wilt and shrink, usually within 2-3 minutes. Transfer the wilted spinach to a colander, press out any excess liquid with a spoon, and set it aside to cool before using it in the lasagna layers.
While the spinach cools, grate the cheeses needed for the recipe. Typically, a combination of ricotta, mozzarella, and Parmesan works well for spinach mushroom lasagna. Use a box grater or a food processor with a grating attachment to shred the mozzarella and Parmesan into fine pieces. For the ricotta, no grating is needed—simply scoop it into a bowl and set it aside. Grating the cheeses ahead of time ensures they’re ready to go when assembling the lasagna, saving you time later.
Finally, boil the lasagna sheets al dente to prepare them for layering. Bring a large pot of salted water to a rolling boil. Add the lasagna sheets one at a time, stirring gently to prevent them from sticking together. Follow the package instructions for cooking time, but aim to cook them al dente—slightly firm to the bite—as they will continue to cook in the oven. Once cooked, use tongs to remove the sheets and lay them flat on a clean kitchen towel or parchment paper to prevent sticking. If needed, you can lightly oil them to keep them from drying out.
With all the prep work complete—chopped mushrooms, wilted spinach, grated cheeses, and boiled lasagna sheets—you’re now ready to assemble your spinach mushroom lasagna. Having these components prepared in advance streamlines the cooking process, ensuring a smooth and efficient transition to the next steps of building and baking your dish.
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Layering: Alternate pasta, marinara, spinach, mushrooms, and cheese mixture in a baking dish
To begin layering your spinach mushroom lasagna, start by spreading a thin layer of marinara sauce on the bottom of a 9x13-inch baking dish. This initial layer of sauce prevents the pasta from sticking and ensures even cooking. Next, place a single layer of cooked lasagna noodles over the sauce, slightly overlapping them if necessary to cover the entire surface. The noodles should be al dente, as they will continue to cook in the oven and absorb moisture from the other ingredients.
Following the pasta layer, spread a generous amount of marinara sauce over the noodles, using a spatula to ensure even distribution. The sauce not only adds flavor but also helps to keep the lasagna moist. On top of the sauce, add a layer of sautéed spinach. To prepare the spinach, cook it in a pan with a bit of olive oil and garlic until it’s wilted and reduced in volume. Season it lightly with salt and pepper to enhance its natural flavor. Press the spinach gently with a spatula to remove any excess moisture, which can make your lasagna watery.
Next, distribute a layer of sliced or sautéed mushrooms over the spinach. If using fresh mushrooms, sauté them in a pan with butter or olive oil until they are golden brown and have released their moisture. This step adds depth and umami to your lasagna. For an extra flavor boost, consider adding a sprinkle of thyme or oregano to the mushrooms while cooking. Once the mushrooms are in place, spoon a layer of the cheese mixture over them. The cheese mixture typically consists of ricotta cheese, grated Parmesan, and an egg, combined with salt, pepper, and possibly some chopped fresh basil or parsley for added freshness.
Repeat the layering process, starting again with the lasagna noodles. Each layer should mirror the first: noodles, marinara sauce, spinach, mushrooms, and cheese mixture. Aim for at least three layers to ensure a hearty and well-balanced lasagna. The final layer should be a combination of noodles, marinara sauce, and a generous topping of shredded mozzarella cheese. This top layer of mozzarella will melt and create a golden, bubbly crust that is both visually appealing and delicious.
Finally, cover the baking dish with aluminum foil, tenting it slightly to prevent the cheese from sticking. Bake the lasagna in a preheated oven at 375°F (190°C) for about 30 minutes. Remove the foil and continue baking for an additional 15-20 minutes, or until the cheese is melted and lightly browned. Allow the lasagna to rest for 10-15 minutes before slicing to let the layers set, ensuring clean, neat portions. This careful layering process ensures that every bite of your spinach mushroom lasagna is rich, flavorful, and perfectly textured.
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Baking: Cover with foil, bake at 375°F for 30 minutes, then uncover and bake 15 more
Once you’ve assembled your spinach mushroom lasagna layers, the baking process is crucial to ensure the dish cooks evenly and achieves the perfect texture. Preheat your oven to 375°F (190°C) while you prepare the lasagna for baking. This temperature is ideal for melting the cheeses, cooking the noodles thoroughly, and allowing the flavors to meld together. Before placing the lasagna in the oven, cover the baking dish tightly with aluminum foil. This step is essential because it prevents the top layer from burning or drying out during the initial baking phase. The foil acts as a protective barrier, trapping moisture inside the dish and ensuring that the lasagna cooks evenly.
Place the foil-covered lasagna in the preheated oven and bake it for 30 minutes. This covered baking period allows the ingredients to heat through and the flavors to combine without the top layer becoming too dark. The steam created inside the dish helps to cook the lasagna noodles fully, especially if you’re using no-boil noodles, which require moisture to soften properly. After 30 minutes, carefully remove the lasagna from the oven and take off the foil. At this point, the dish will look soft and bubbly, but the top will still appear pale.
With the foil removed, return the lasagna to the oven and bake it for an additional 15 minutes. This uncovered baking time is crucial for achieving a golden, crispy top layer. The direct heat will brown the cheese and create a delightful contrast in texture. Keep an eye on the lasagna during this final stage to ensure it doesn’t burn. If the top starts to brown too quickly, you can lightly tent it with foil again, but avoid covering it completely to preserve the crispiness.
Once the 15 minutes are up, remove the lasagna from the oven and let it rest for 10–15 minutes before serving. This resting period allows the layers to set, making it easier to slice and serve without the lasagna falling apart. The final product should have a beautifully browned top, a bubbling interior, and a cohesive texture that holds together well on the plate. This baking method ensures your spinach mushroom lasagna is cooked to perfection, with every layer contributing to a rich and satisfying dish.
Remember, the baking process is as important as the assembly of the lasagna. By following these steps—covering with foil, baking at 375°F for 30 minutes, then uncovering and baking for 15 more—you’ll achieve a lasagna that is both flavorful and visually appealing. This technique balances moisture retention and browning, resulting in a dish that is sure to impress.
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Serving: Let rest 10 minutes, slice, garnish with basil, and serve warm
Once your spinach and mushroom lasagna emerges from the oven, golden and bubbling, resist the urge to dive in immediately. Letting it rest for 10 minutes is crucial. This resting period allows the layers to set, ensuring clean slices and preventing the lasagna from falling apart when served. The internal heat will also distribute evenly, resulting in a perfectly cooked dish from edge to center. Cover the lasagna loosely with aluminum foil during this time to retain its warmth and moisture.
After the 10-minute rest, carefully remove the foil and prepare to slice. Use a sharp knife or a serrated knife to achieve clean cuts through the layers of pasta, spinach, mushrooms, and cheese. For neat portions, wipe the knife clean between slices. Aim for even portions, considering the number of servings you need.
Garnishing adds a fresh, vibrant touch to your lasagna. Just before serving, sprinkle freshly chopped basil leaves over the top. The basil not only enhances the dish’s visual appeal but also complements the earthy flavors of spinach and mushrooms with its aromatic, slightly sweet profile. If desired, add a light drizzle of extra virgin olive oil or a few cracks of black pepper for an extra layer of flavor.
Finally, serve the lasagna warm to fully enjoy its rich, comforting texture. Pair it with a simple side salad or garlic bread to balance the meal. The warmth of the lasagna, combined with the freshness of the basil garnish, creates a delightful contrast that elevates the dining experience. This final step ensures your spinach and mushroom lasagna is not just delicious but also beautifully presented and ready to impress.
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Frequently asked questions
You’ll need lasagna noodles, spinach, mushrooms, ricotta cheese, mozzarella cheese, Parmesan cheese, marinara sauce, garlic, olive oil, salt, pepper, and optional ingredients like nutmeg or red pepper flakes.
Sauté the mushrooms in olive oil until golden, then add minced garlic and cook until fragrant. Wilt the spinach separately by sautéing it or steaming it, then squeeze out excess moisture before adding it to the mushroom mixture.
It depends on the type of noodles. Traditional lasagna noodles require boiling, but no-boil noodles can be used directly in the dish if layered with enough sauce to soften them during baking.
Start with a thin layer of marinara sauce, then add noodles, followed by a layer of the spinach-mushroom mixture, ricotta cheese, and shredded mozzarella. Repeat the layers, ending with sauce and cheese on top.
Bake the lasagna at 375°F (190°C) for 30–40 minutes, or until bubbly and golden. Let it rest for 10 minutes before slicing to allow it to set.

























