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Welcome to a culinary adventure that will elevate your vegetarian dining experience: Spinach and Mushroom Lasagna. This recipe takes the traditional lasagna to new heights, showcasing the earthy flavors of mushrooms and the vibrant essence of spinach in each decadent layer. By swapping out the classic marinara for a luscious homemade béchamel sauce, this dish exudes sophistication and heartiness that will impress even the most discerning palates.
Crafted with care and attention to detail, Spinach and Mushroom Lasagna is not just a meal; it’s a celebration of flavors and textures that come together harmoniously. As someone who values inclusivity at the dining table, I created this dish to bridge the gap between different dietary preferences, ensuring that everyone feels satisfied and delighted by the dining experience. From the first sauté of mushrooms to the final sprinkle of cheese, each step in preparing this lasagna is a labor of love that culminates in a multi-layered masterpiece.
Join me on a gastronomic journey where vegetarian cuisine shines bright. Whether you’re hosting a festive gathering or craving a comforting weekend meal, Spinach and Mushroom Lasagna promises to be a reliable and rewarding choice. Embrace the richness, savor the depth of flavors, and relish in the joy of sharing this sumptuous dish with your loved ones.
Quick Benefits
- Sophisticated and Hearty Alternative: Offers a rich and multi-layered masterpiece with earthy tones, perfect for a sophisticated vegetarian option or a change from traditional red-sauce lasagnas.
- Versatile and Adaptable: Can be customized with additional ingredients like roasted red peppers, basil pesto, or different mushroom varieties for added depth of flavor and personal touch.
- Perfect for Meal Prep and Make-Ahead: Stays fresh in the fridge for up to 4 days, tastes even better on day two, and can be frozen unbaked for up to 3 months, making it ideal for meal prepping or holiday planning.
Why You’ll Love This Delicious Spinach Mushroom Lasagna: A Savory Vegetarian Delight Recipe
- Sophisticated Twist: A hearty and elegant alternative to traditional red-sauce lasagnas, this recipe uses a silky homemade béchamel sauce to highlight the earthy flavors of sautéed mushrooms and garlic-infused spinach.
- Vegetarian Delight: Perfect for vegetarian guests or those seeking a meatless meal option, this lasagna is rich and flavorful, proving that vegetarian dishes can be just as satisfying as their meaty counterparts.
- Crowd-Pleaser: Even dedicated meat-eaters will enjoy this multi-layered masterpiece, as proven by the experience of a staunch “meat-and-potatoes” guy who not only cleared his plate but went back for seconds.
- Perfect Weekend Project: With a total time of around 100 minutes, this lasagna makes for a great weekend cooking project. The meditative layering process and final bake create a rewarding and comforting experience.
- Make-Ahead Option: Ideal for holiday meals or meal prep, this lasagna stays fresh in the fridge for up to 4 days and actually tastes better on the second day as the flavors meld. It can also be assembled and frozen for up to 3 months, making it a convenient option for busy days.
- Customizable Flavors: Enhance the dish by using a mix of cremini and shiitake mushrooms, adding red pepper flakes for a kick, incorporating roasted red peppers for color, or layering basil pesto to brighten the richness of the white sauce.
- Tips for Perfect Results: Patience is key when sautéing mushrooms to prevent a soggy outcome. Greasing the foil before baking ensures a beautiful cheese crust that stays intact when uncovered.
- Celebratory Dish: More than just a “vegetarian option,” this lasagna is a luxurious and centerpiece-worthy dish that celebrates classic Italian flavors. Whether for a special occasion or a comforting weekend meal, it promises a creamy and satisfying experience that everyone will enjoy.
Ingredients for Delicious Spinach Mushroom Lasagna: A Savory Vegetarian Delight
For the Spinach Mushroom Filling
- 4 tbsp unsalted butter
- 1 tsp kosher salt plus more to taste
- ½ cup white onion or shallot, finely diced
- 16 oz frozen spinach, thawed and drained
- 8 oz white mushrooms, finely chopped
- Black pepper to taste
- 6 garlic cloves, minced
- 1 tbsp Italian seasoning
For the Ricotta Mixture
- ¼ cup fresh parsley, chopped
- 2 large eggs
- 30 oz whole milk ricotta
- 8 oz low-moisture mozzarella cheese, shredded and divided
- ½ cup Parmigiano Reggiano, finely grated
For the White Sauce
- 1 tsp kosher salt, or more to taste
- 5 tbsp unsalted butter
- ½ tsp ground nutmeg
- Black pepper to taste
- 5 tbsp all-purpose flour
- ½ cup Parmigiano Reggiano, finely grated
- 5 cups whole milk, at room temperature
For Assembly
- 1 lb lasagna noodles (about 20 noodles)
- Non-stick cooking spray
- Olive oil for drizzling
How to Make Delicious Spinach Mushroom Lasagna: A Savory Vegetarian Delight
Step 1: Prep the Spinach
Thaw the frozen spinach completely and remove excess water by squeezing it using a metal steamer basket or cheesecloth to extract more moisture than paper towels.
Step 2: Cook the Noodles
Prepare lasagna noodles according to package instructions until al dente. Drain, rinse under cold water, and lay flat on parchment paper. Drizzle with olive oil to prevent sticking.
Step 3: Sauté the Vegetables
In a large nonstick skillet over medium-high heat, melt butter. Add onions, salt, and pepper; cook for 2-3 minutes. Stir in garlic and cook for an additional minute. Add mushrooms and Italian seasoning, cook for 7-10 minutes until mushrooms shrink and liquid evaporates, stirring occasionally.
Step 4: Combine with Spinach
Remove the skillet from the heat, stir in drained spinach, and season with salt and pepper. Set aside to cool.
Step 5: Make the Ricotta Mixture
Combine ricotta, Parmesan cheese, half of the mozzarella, eggs, and parsley in a large bowl. Mix in the cooled spinach and mushroom mixture until well combined.
Step 6: Make the White Sauce
In a large heavy-bottomed saucepan over medium heat, melt butter. Whisk in flour to create a roux and cook for about a minute. Slowly add milk, whisking constantly until mixture thickens and comes to a boil. Remove from heat and stir in Parmesan, nutmeg, salt, and pepper.
Step 7: Preheat and Start Layering
Preheat oven to 375°F. Spread a thin layer of white sauce on the bottom of a 9 by 13 inch oven-safe pan.
Step 8: Build the Layers
Layer lasagna noodles over the sauce, tearing to fit. Spread 1/3 of the spinach-mushroom-ricotta mixture, then drizzle with 1/2 cup of white sauce. Repeat layering process two more times.
Step 9: Top and Prepare for Baking
Place another layer of noodles on top. Pour the remaining white sauce over the noodles and sprinkle the remaining mozzarella cheese. Grease one side of aluminum foil with nonstick spray and cover the lasagna with the greased side facing down.
Step 10: Bake the Lasagna
Cover with foil and bake for 30 minutes. Remove foil and bake for an additional 10 minutes until top is golden and bubbly. Optional: broil for a few minutes at the end for extra browning, watching closely to prevent burning.
Step 11: Cool and Serve
Allow the lasagna to cool for a minimum of 15 minutes before slicing to help it set up and hold together. Serve and enjoy the creamy, gooey lasagna.
Storage Tips
Once you have prepared the spinach and mushroom lasagna, you can store it in the refrigerator for up to 4 days. The flavors of the lasagna will continue to meld, and many find that it tastes even better on the second day. To store, cover the lasagna dish tightly with aluminum foil or plastic wrap to prevent it from drying out. When reheating individual slices, simply place them in the microwave for about 2 minutes until heated through.
If you want to prepare the lasagna ahead of time, you can freeze the assembled but unbaked dish for up to 3 months. Make sure to wrap the dish well in plastic wrap and aluminum foil before placing it in the freezer. When you are ready to enjoy the frozen lasagna, thaw it in the refrigerator overnight before baking according to the original recipe instructions. Freezing the lasagna allows you to have a delicious homemade meal ready to bake whenever you need a convenient and comforting dish.
Ingredient Substitutions
For a dairy-free option, you can substitute the butter in the recipe with a plant-based alternative like vegan butter or margarine. To replace the whole milk ricotta and mozzarella cheese, you can use dairy-free alternatives made from cashews, almonds, or tofu. These substitutes will provide a creamy and cheesy texture without compromising the flavor of the dish.
If you prefer a lighter version of this lasagna, you can use whole wheat or gluten-free lasagna noodles instead of traditional ones. This will add a nutty flavor and extra fiber to the dish. Additionally, you can increase the vegetable content by adding thinly sliced zucchini or roasted eggplant layers between the spinach and mushroom mixture. These additions will enhance the nutritional value of the lasagna while maintaining a delicious taste and texture.
Serving Suggestions
For a creative serving suggestion, try garnishing each slice of spinach and mushroom lasagna with a drizzle of high-quality balsamic reduction and a sprinkle of freshly chopped basil. The sweet tanginess of the balsamic reduction complements the earthy flavors of the mushrooms and spinach, while the basil adds a bright, aromatic note that elevates the dish to a restaurant-quality presentation.
To add a crunchy texture contrast to the creamy lasagna, serve it alongside a simple arugula salad dressed with lemon vinaigrette and toasted pine nuts. The peppery arugula and nutty pine nuts provide a refreshing and light accompaniment that balances the richness of the lasagna, creating a well-rounded and satisfying meal experience for your guests.
FAQs for Delicious Spinach Mushroom Lasagna: A Savory Vegetarian Delight
Can I use fresh spinach instead of frozen spinach in this recipe?
Yes, you can substitute fresh spinach for frozen spinach in this recipe. Just make sure to blanch the fresh spinach first by immersing it in boiling water for a few seconds, then transferring it to a bowl of ice water to stop the cooking process. After blanching, chop and drain the spinach before using it in the lasagna.
Can I make this lasagna ahead of time and bake it later?
Yes, this lasagna is a great make-ahead dish. You can assemble the lasagna, cover it tightly with foil, and refrigerate it for up to 2 days before baking. Just increase the baking time slightly if you’re baking it straight from the refrigerator.
What can I serve as a side dish with this spinach and mushroom lasagna?
This lasagna pairs well with a simple green salad dressed with a light vinaigrette to balance the richness of the dish. You can also serve some garlic bread or a crusty baguette on the side for a complete meal.
Can I make this lasagna gluten-free?
Yes, you can make this lasagna gluten-free by using gluten-free lasagna noodles and replacing the all-purpose flour in the béchamel sauce with a gluten-free flour blend. Make sure all your other ingredients, including the seasonings and cheeses, are also gluten-free to accommodate any dietary restrictions.
Conclusion
I hope this Spinach and Mushroom Lasagna recipe becomes a staple in your kitchen, just like it has in mine. The balance of flavors and textures in each layer truly makes it a standout dish that will impress even the most discerning palates. Don’t be afraid to play around with additional ingredients to make it your own – the beauty of lasagna is its versatility!
Remember, cooking is all about enjoying the process and sharing the fruits of your labor with loved ones. So gather your ingredients, put on some music, and let the aromas of this delicious Spinach and Mushroom Lasagna fill your kitchen. Whether you’re cooking for a special occasion or simply craving a comforting meal, this recipe is sure to leave a lasting impression. Happy cooking, and here’s to many more savory moments shared around the dinner table with Spinach and Mushroom Lasagna!

Delicious Spinach Mushroom Lasagna: A Savory Vegetarian Delight
Ingredients
For the Spinach Mushroom Filling
- 4 tbsp unsalted butter
- 1 tsp kosher salt plus more to taste
- ½ cup white onion or shallot, finely diced
- 16 oz frozen spinach, thawed and drained
- 8 oz white mushrooms, finely chopped
- Black pepper to taste
- 6 garlic cloves, minced
- 1 tbsp Italian seasoning
For the Ricotta Mixture
- ¼ cup fresh parsley, chopped
- 2 large eggs
- 30 oz whole milk ricotta
- 8 oz low-moisture mozzarella cheese, shredded and divided
- ½ cup Parmigiano Reggiano, finely grated
For the White Sauce
- 1 tsp kosher salt, or more to taste
- 5 tbsp unsalted butter
- ½ tsp ground nutmeg
- Black pepper to taste
- 5 tbsp all-purpose flour
- ½ cup Parmigiano Reggiano, finely grated
- 5 cups whole milk, at room temperature
For Assembly
- 1 lb lasagna noodles (about 20 noodles)
- Non-stick cooking spray
- Olive oil for drizzling
Instructions
-
Prep the Spinach: Thaw the frozen spinach completely and remove excess water by squeezing it using a metal steamer basket or cheesecloth to extract more moisture than paper towels.
-
Cook the Noodles: Prepare lasagna noodles according to package instructions until al dente. Drain, rinse under cold water, and lay flat on parchment paper. Drizzle with olive oil to prevent sticking.
-
Sauté the Vegetables: In a large nonstick skillet over medium-high heat, melt butter. Add onions, salt, and pepper; cook for 2-3 minutes. Stir in garlic and cook for an additional minute. Add mushrooms and Italian seasoning, cook for 7-10 minutes until mushrooms shrink and liquid evaporates, stirring occasionally.
-
Combine with Spinach: Remove the skillet from the heat, stir in drained spinach, and season with salt and pepper. Set aside to cool.
-
Make the Ricotta Mixture: Combine ricotta, Parmesan cheese, half of the mozzarella, eggs, and parsley in a large bowl. Mix in the cooled spinach and mushroom mixture until well combined.
-
Make the White Sauce: In a large heavy-bottomed saucepan over medium heat, melt butter. Whisk in flour to create a roux and cook for about a minute. Slowly add milk, whisking constantly until mixture thickens and comes to a boil. Remove from heat and stir in Parmesan, nutmeg, salt, and pepper.
-
Preheat and Start Layering: Preheat oven to 375°F. Spread a thin layer of white sauce on the bottom of a 9 by 13 inch oven-safe pan.
-
Build the Layers: Layer lasagna noodles over the sauce, tearing to fit. Spread 1/3 of the spinach-mushroom-ricotta mixture, then drizzle with 1/2 cup of white sauce. Repeat layering process two more times.
-
Top and Prepare for Baking: Place another layer of noodles on top. Pour the remaining white sauce over the noodles and sprinkle the remaining mozzarella cheese. Grease one side of aluminum foil with nonstick spray and cover the lasagna with the greased side facing down.
-
Bake the Lasagna: Cover with foil and bake for 30 minutes. Remove foil and bake for an additional 10 minutes until top is golden and bubbly. Optional: broil for a few minutes at the end for extra browning, watching closely to prevent burning.
-
Cool and Serve: Allow the lasagna to cool for a minimum of 15 minutes before slicing to help it set up and hold together. Serve and enjoy the creamy, gooey lasagna.








