Name: Spinach & Mushroom Vegetarian Lasagna Recipe
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: Italian
Ingredients: 8 ounces mushrooms, sliced; 1 tbsp olive oil; 1/2 tsp garlic powder; Salt and pepper to taste; 1 1/2 cups pasta sauce; 8 ounces no-boil lasagna noodles (about 8-10 noodles); 1 1/2 cups small curd cottage cheese; 2 cups fresh spinach; 1 1/2 cups shredded mozzarella cheese; 1/2 cup grated vegetarian parmesan cheese; 2 tbsp chopped walnuts

Jump to Recipe· 4.2 from 27 reviews

If you are on the hunt for a comforting, wholesome dinner that brings everyone to the table with smiles, this Spinach & Mushroom Vegetarian Lasagna Recipe is a true winner. It’s bursting with earthy mushrooms, fresh spinach, creamy cheese layers, and a luscious pasta sauce that all come together in a perfectly baked lasagna. Whether you’re a devoted vegetarian or simply craving an easy yet flavorful dish, this recipe delivers a satisfying meal full of texture, color, and heartwarming flavor.

Ingredients You’ll Need

The image shows a top-down view of several small bowls and ingredients arranged on a light brown wooden surface with a white marbled texture added. There are whole fresh brown mushrooms in a white bowl in the center. Above this bowl, there is a white bowl filled with red tomato sauce with a smooth texture. Beside the mushrooms on the right, there are several slices of bright yellow cheese stacked neatly. Below the mushrooms is a white bowl with fresh green spinach leaves. In the bottom right corner, there is a white bowl filled with shredded white mozzarella cheese. On the left side, a metal measuring cup contains white ricotta cheese, and below that, a small white bowl holds grated parmesan cheese. Lastly, in the bottom left corner, a small white bowl holds a mix of black and white ground pepper. A woman's hand is not present in this image. Photo taken with an iphone --ar 4:5 --v 7

Gathering the right ingredients is the key to making this Spinach & Mushroom Vegetarian Lasagna Recipe a delicious success. Each component plays a special role, from the juicy mushrooms adding earthiness to the spinach brightening the layers with fresh green color.

8 ounces mushrooms (sliced): Choose fresh, firm mushrooms for the best texture and flavor in your layers.
1 Tbsp olive oil: This enhances the mushrooms and helps keep them tender when baking.
1/2 tsp garlic powder: Adds a subtle depth of savory flavor without being overpowering.
Salt and pepper (to taste): Essential seasonings that bring balance and enhance the natural flavors.
1 1/2 cups pasta sauce: A bright, tangy tomato sauce forms the base of moisture and zest in the dish.
8 ounces no-boil lasagna noodles (about 8-10): These simplify preparation and soften perfectly in the oven.
1 1/2 cups small curd cottage cheese: Adds creaminess and protein to the layers without heaviness.
2 cups spinach: Fresh spinach not only boosts nutrition but adds a lovely pop of green color.
1 1/2 cups shredded mozzarella: Melts wonderfully to create gooey, cheesy goodness between layers.
1/2 cup grated vegetarian parmesan: Offers a salty, nutty punch that enhances every bite.
2 Tbsp chopped walnuts (optional, for topping): Adds a delightful crunch and unique flavor contrast when sprinkled on top.

How to Make Spinach & Mushroom Vegetarian Lasagna Recipe

Step 1: Prepare the Mushrooms

Start by preheating your oven to 375 degrees Fahrenheit. Place the sliced mushrooms in a casserole dish and drizzle with olive oil, then sprinkle with garlic powder, salt, and pepper. Bake them for about 10 minutes until they soften and release their juices, then drain any excess liquid. This step intensifies the mushroom flavor and prevents sogginess in the lasagna.

Step 2: Build the First Layer

Pour half of the pasta sauce into the bottom of your casserole dish. Next, arrange 3 to 4 no-boil lasagna noodles on top of the sauce, breaking them to fit if necessary. Press the noodles down gently so a thin layer of sauce covers them. This creates the solid foundation for your flavorful layers.

Step 3: Add the Cheese and Greens

Spoon half of the small curd cottage cheese over the noodles. Then spread half of the baked mushrooms and fresh spinach evenly over the cheese. Finish this layer by sprinkling half of both the shredded mozzarella and grated vegetarian parmesan cheeses on top. The combination of melty and tangy cheeses with fresh veggies is pure comfort food magic.

Step 4: Repeat Layers and Top

Repeat the layering process with the remaining pasta sauce, noodles, cottage cheese, mushrooms, spinach, mozzarella, and parmesan. Once all layers are in place, sprinkle the chopped walnuts over the top if you’re using them. They add a wonderful crunchy texture and nutty flavor that complements the creamy cheese beautifully.

Step 5: Bake to Perfection

Cover your dish tightly with foil and bake for 30 minutes. Then, remove the cover and bake uncovered for an additional 15 minutes to let the cheese brown and bubble on top. When it’s finished baking, let the lasagna rest for 5 to 10 minutes before serving. This resting time helps the layers set up for a cleaner slice and richer flavor.

How to Serve Spinach & Mushroom Vegetarian Lasagna Recipe

A white baking dish holds a thick lasagna with visible layers of melted cheese, red tomato sauce, and pieces of mushrooms and spinach, topped with a golden, slightly browned cheese layer. A woman's hand is lifting a portion with a spatula, showing gooey, stretchy cheese strings hanging down. The lasagna layers include a bottom pasta layer, a middle mix of sauce, vegetables, and cheese, and a thick cheese topping with browned spots, set against a simple soft brown background. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

For an extra pop of freshness and flavor, garnish your lasagna with a sprinkle of freshly chopped basil or parsley. A light drizzle of olive oil over the top adds a glossy finish that makes every bite even more appetizing. These little touches brighten the dish and enhance its vibrant flavors.

Side Dishes

This Spinach & Mushroom Vegetarian Lasagna Recipe pairs beautifully with a crisp green salad tossed in a tangy vinaigrette to contrast the richness of the cheese. Roasted garlic bread or a warm baguette rounds out the meal perfectly, offering a crunchy side for soaking up any extra sauce.

Creative Ways to Present

For special occasions or casual family dinners, serve the lasagna in individual ramekins or small cast-iron skillets. This allows each guest to enjoy a personalized portion with a beautifully browned cheese crust. You can also layer it in a clear glass dish so your guests can see the gorgeous layers — it’s almost too pretty to eat!

Make Ahead and Storage

Storing Leftovers

Leftover Spinach & Mushroom Vegetarian Lasagna should be tightly covered and refrigerated within two hours of cooking. Stored properly in an airtight container or tightly wrapped in foil, it will stay fresh for up to 3 to 4 days. It’s a great way to enjoy a quick, nutritious meal the next day.

Freezing

This lasagna freezes exceptionally well. To freeze, assemble the lasagna in a freezer-safe dish, cover it tightly with plastic wrap and foil, then place it in the freezer for up to three months. When you’re ready to bake, thaw it overnight in the refrigerator for best results before baking according to the recipe.

Reheating

Reheat leftover lasagna in the oven at 350 degrees Fahrenheit for 20-25 minutes, covered with foil to prevent drying out. For quicker reheating, microwave individual portions on medium power, checking every minute until heated through. The cheese will regain its creamy texture, and the flavors will be just as delightful as the first time.

FAQs

Can I use fresh mozzarella instead of shredded mozzarella?

Absolutely! Fresh mozzarella will create a creamier, slightly softer texture. Just be mindful to slice it thinly and pat it dry to avoid extra moisture in the lasagna layers.

Is it necessary to use no-boil noodles?

No boil noodles are a convenient time-saver, but if you prefer traditional noodles, just boil them according to package instructions before layering. Both work well.

Can I substitute the cottage cheese with ricotta?

Yes, ricotta cheese is a common substitute and will give a richer, creamier consistency to the dish. If you like a lighter texture, stick with cottage cheese.

What can I use instead of walnuts for the topping?

If you’re not a fan of walnuts or have allergies, toasted breadcrumbs or pine nuts make a lovely alternative that adds crunch and flavor.

How do I make this recipe vegan?

To make this Spinach & Mushroom Vegetarian Lasagna Recipe vegan, swap out the cheeses for your favorite plant-based alternatives and use a vegan pasta sauce. Make sure to check the lasagna noodles are egg-free as well.

Final Thoughts

This Spinach & Mushroom Vegetarian Lasagna Recipe is an absolute joy to make and even more delightful to eat. Its balance of fresh vegetables, creamy cheeses, and savory sauce is a crowd-pleaser that nurtures both body and soul. I encourage you to dive into this recipe and experience how simple ingredients can come together to create a truly memorable dinner. Trust me, once you try it, this lasagna will likely become a go-to favorite in your kitchen too!