Mushroom and Spinach Lasagna

Delicious Mushroom Spinach Lasagna served on a white plate
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I believe lasagna is the most honest food—layered, a little dramatic, and forgiving if you sing to it (don’t tell me you don’t). Also: we are in a moment where everyone is suddenly vegan-curious, pressure-cooking, and nostalgic for their childhood casseroles. So here I am waving a pan of Mushroom and Spinach Lasagna like it’s a flag. I promise this is not another perfect-person meal blog. I’m messy. The lasagna might be messy too. Also, dessert exists and sometimes I make a crafted chocolate candy bar immediately afterward because priorities.

How I Totally Blew This Up (and How It Smelled)


Once I tried to make this without sautéing the mushrooms. Big idea, bad execution. You can smell failure—I mean, literally, it smelled like a wet cardboard factory. The texture was a cold, spongy disappointment; my partner tapped the fork against the plate like a tiny judge. Somewhere between the clank of the baking dish and the sizzling pan I knew I’d sinned against umami. There was also a sound (a small, desperate bubbling) that I now associate with regret. I cried. Not dramatically. Well, maybe a little. Then I Googled my feelings and ignored most of the advice. That was the beginning of many wrong turns: too much sauce, under-salted ricotta, noodles stuck together in a way that taught me interpersonal boundaries. I kept telling myself "next time" and then making the same mistakes because patterns are comfortable.

Why This Version Finally Works (and Why I Still Worry)


It works now because I stopped apologizing to the mushrooms. Also because I started actually seasoning at every stage—not just with shame and a sprinkle at the end. I learned to sweat the onions, to let the mushrooms brown a little (don’t crowd the pan, for heaven’s sake), and to wilt spinach separately so it doesn’t puddle like a sad green moat. Emotionally I surrendered to being a person who takes five extra minutes and then brags. Practically: better heat control, a modest amount of ricotta (not the whole dairy aisle), and layering like I mean it. There is lingering doubt, though—do I overdo the cheese? Sometimes. Will I ever stop pre-baking noodles? Possibly. Also, if you’re the type who wants a saucy, slippery lasagna, this might not be your riot—it’s comforting, not sloppy. If you are already thinking about dessert, you should know I also sometimes pair this with fried strawberry cheesecake sandwiches, which is peak culinary indecision.

Ingredients

  • Lasagna noodles
  • Olive oil
  • Mushrooms, sliced
  • Fresh spinach
  • Ricotta cheese
  • Mozzarella cheese, shredded
  • Parmesan cheese, grated
  • Marinara sauce
  • Garlic, minced
  • Onion, chopped
  • Salt
  • Pepper
  • Italian seasoning

Budget note: you can use frozen spinach if fresh is playing hard to get, and pre-shredded mozzarella is fine (but it’s like dating an approximation). Texture note: thicker lasagna noodles give more chew—noodles are an emotional choice. Availability: if mushrooms are sad, cremini are great; portobellos are dramatic, like me.

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Cooking Process

  1. Preheat the oven to 375°F (190°C).
  2. Cook the lasagna noodles according to package instructions; set aside.
  3. In a skillet, heat olive oil over medium heat. Add onion and garlic, sauté until translucent.
  4. Add sliced mushrooms and cook until tender, then add spinach and cook until wilted. Season with salt, pepper, and Italian seasoning.
  5. In a baking dish, spread a layer of marinara sauce. Place a layer of lasagna noodles on top, followed by a layer of the mushroom and spinach mixture, and dollops of ricotta cheese. Sprinkle mozzarella and Parmesan on top.
  6. Repeat the layers until all ingredients are used, finishing with sauce and cheese on top.
  7. Cover with aluminum foil and bake for 25 minutes.
  8. Remove the foil and bake for an additional 15 minutes, or until the cheese is bubbly and golden.
  9. Let it cool for a few minutes before slicing and serving.

Non-linear explanation: sometimes I start with sauce, sometimes with noodles (who am I to follow rules). Tip: salting each layer is not overkill—it’s defensive seasoning. Interruptions: if your family starts asking when dinner is ready, promise five more minutes and then actually mean ten. Also—FOR THE LOVE—let it rest so it doesn’t lava-flow when you cut it. Seriously.

Mushroom and Spinach Lasagna

Household Chaos / Reader Dialogue


Are you also the person who uses food to apologize? Who leaves sticky notes on the fridge like confessions? Tell me your domestic war stories. Do your kids pick out the mushrooms or declare a spinach truce? (Mine staged a soft boycott once.) If your oven is ancient and temperamental, we can commiserate—my oven has moods; yesterday it sulked and underbaked half a casserole. What would you add? More garlic? Less cheese? A dragon? I assume you have opinions because you are reading recipes and therefore at least 60% opinionated. Also, if you try the lasagna and then immediately make cookies (reasonable), I have feelings about that too—have you ever seen perfect synergy between dinner and dessert? No? Me neither, until I met the perfect black and white cookies and then everything made sense.

Frequently Asked Questions


Can I make this ahead of time? +

Absolutely. Assemble and refrigerate for up to 24 hours before baking. It actually helps the flavors marry, but don’t wait a week because even lasagna has limits.

Can I use frozen spinach? +

Yes. Thaw and squeeze out excess water first. Nobody wants a soggy mid-layer.

Do I need to pre-cook noodles? +

You can use no-boil noodles if you’re careful with sauce moisture, but I like pre-cooking for texture control. Also I like having one less variable to blame.

How do I store leftovers? +

Covered in the fridge for 3–4 days, or freeze portions wrapped tightly for up to 3 months. Defrost overnight for best results.

Can I add other vegetables or protein? +

Yes. Spinach-and-mushroom is the base here; add eggplant, zucchini, or cooked lentils if you want to bulk it up. Don’t throw raw meat in and hope for the best.

I wrote this because food calms me and also agitates me (contradictions are my brand). There is a shelf-life to kitchen bravado, and sometimes the best meal is the one you ate with your hands still warm from stirring, not the one that looked like a magazine. I am already thinking about the next time I make this—the time I will maybe add a splash of cream, or maybe not, depending on how tired I am and whether someone smartphones me a picture of a better-looking lasagna. Also, I should probably fold the laundry but there is leftover lasagna calling my name and—

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Delicious Mushroom Spinach Lasagna served on a white plate

Mushroom and Spinach Lasagna

This hearty and comforting Mushroom and Spinach Lasagna is layered with savory mushrooms, fresh spinach, and creamy cheeses, making it a delightful and satisfying meal perfect for any occasion.
Prep Time 30 minutes
Cook Time 40 minutes
Total Time 1 hour 10 minutes
Course Dinner, Main Course
Cuisine Italian
Servings 6 servings
Calories 350 kcal

Ingredients
  

Lasagna Ingredients

  • 12 oz Lasagna noodles Thicker noodles give more chew.
  • 1 tablespoon Olive oil For sautéing.
  • 8 oz Mushrooms, sliced Use cremini or portobello if desired.
  • 6 oz Fresh spinach Can use frozen spinach, thawed and drained.
  • 15 oz Ricotta cheese Use a modest amount.
  • 1 cup Mozzarella cheese, shredded Pre-shredded is acceptable, but may alter texture.
  • 1/2 cup Parmesan cheese, grated For topping.
  • 24 oz Marinara sauce For layering.
  • 2 cloves Garlic, minced For flavor.
  • 1 medium Onion, chopped Sauté until translucent.
  • to taste Salt Essential for seasoning.
  • to taste Pepper Essential for seasoning.
  • 1 teaspoon Italian seasoning For added flavor.

Instructions
 

Preparation

  • Preheat the oven to 375°F (190°C).
  • Cook the lasagna noodles according to package instructions; set aside.
  • In a skillet, heat olive oil over medium heat. Add onion and garlic, sauté until translucent.
  • Add sliced mushrooms and cook until tender, then add spinach and cook until wilted. Season with salt, pepper, and Italian seasoning.

Assembly

  • In a baking dish, spread a layer of marinara sauce.
  • Place a layer of lasagna noodles on top, followed by a layer of the mushroom and spinach mixture, and dollops of ricotta cheese.
  • Sprinkle mozzarella and Parmesan on top.
  • Repeat the layers until all ingredients are used, finishing with sauce and cheese on top.
  • Cover with aluminum foil and bake for 25 minutes.
  • Remove the foil and bake for an additional 15 minutes, or until the cheese is bubbly and golden.
  • Let it cool for a few minutes before slicing and serving.

Notes

For best results, let the lasagna rest after baking to prevent it from spilling out when cut. You can make it ahead of time and refrigerate for up to 24 hours before baking.
Keyword Comfort Food, Lasagna, Mushroom, Spinach, Vegan

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