Easy Creamy Spinach Mushroom Lasagna

Featured in Inspiring Dinner Ideas.

Classic vegetarian lasagna with mushrooms, spinach, and creamy béchamel. Takes 1 hour to make, perfect for family dinner. Serves 6 and keeps well for leftovers.
Sarah
Updated on Thu, 23 Jan 2025 15:10:27 GMT
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The easy creamy spinach mushroom lasagna recipe transforms classic comfort food into an elegant vegetarian masterpiece. This creamy spinach mushroom lasagna recipe layers tender pasta with earthy mushrooms, fresh spinach, and velvety béchamel sauce, creating a sophisticated dish that's surprisingly simple to prepare.

After countless attempts at vegetarian lasagna, this version has become my family's favorite. The combination of fresh vegetables and creamy sauce creates such a satisfying meal that no one misses the meat.

Key Ingredients & Selection Tips

  • Fresh mushrooms: Choose cremini or portobello for rich, earthy flavor
  • Baby spinach: Fresh leaves provide better texture than frozen
  • All-purpose flour: Essential for silky béchamel sauce
  • Whole milk: Creates the richest sauce texture
  • Lasagna noodles: No-boil or traditional both work well

Detailed Instructions

Vegetable preparation:
Sauté mushrooms until golden, then add spinach and garlic until just wilted
Perfect béchamel:
Create roux with butter and flour, gradually whisk in warm milk
Season sauce:
Add nutmeg, salt, and pepper for depth of flavor
Layer assembly:
Start with thin béchamel layer, then alternate noodles, vegetables, and cheese
Careful building:
Ensure even distribution of ingredients between layers
Proper baking:
Cover with foil first 25 minutes, then uncover for golden top
Essential rest:
Let stand 10-15 minutes before cutting
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My Italian grandmother taught me to add a pinch of nutmeg to the béchamel - it's subtle but makes all the difference in the final flavor.

Make-Ahead Tips

Assemble up to 24 hours in advance, refrigerate covered. Let come to room temperature before baking.

Cheese Selection

Use a combination of fresh mozzarella, whole milk ricotta, and aged Parmesan for complex flavor and optimal melting.

Vegetable Preparation

Cook mushrooms in batches to ensure proper browning. Overcrowding creates steam instead of caramelization.

Sauce Success

Keep béchamel smooth by adding warm milk gradually while whisking continuously.

Chef's Helpful Tips

  • Use fresh herbs in every layer
  • Let mushrooms brown properly before adding spinach
  • Rest lasagna for clean slices
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This vegetarian lasagna has converted even the most dedicated meat lovers in my family. The combination of perfectly cooked vegetables, creamy sauce, and melted cheese creates an unforgettable comfort food experience.

Frequently Asked Questions

→ Can I make this lasagna ahead of time?
Yes, assemble it up to 24 hours ahead and keep refrigerated. Add an extra 10-15 minutes to baking time if cooking from cold.
→ Can I freeze this lasagna?
Yes, wrap it well and freeze for up to 3 months. Thaw overnight in the fridge before baking.
→ What can I use instead of mushrooms?
Try zucchini, eggplant, or roasted bell peppers as alternatives to mushrooms.
→ Do I need to cook the noodles first?
It depends on your noodles. No-boil noodles go in dry, while traditional noodles need pre-cooking.
→ Why is my béchamel sauce lumpy?
Whisk constantly while adding warm milk gradually to the flour-butter paste to prevent lumps from forming.

Creamy Spinach Mushroom Lasagna

A comforting vegetarian lasagna filled with mushrooms, spinach, and creamy béchamel sauce, topped with melty cheese.

Prep Time
20 Minutes
Cook Time
40 Minutes
Total Time
60 Minutes

Category: Dinner Delights

Difficulty: Intermediate

Cuisine: Italian

Yield: 6 Servings

Dietary: Vegetarian

Ingredients

→ Vegetable Filling

01 2 tablespoons olive oil
02 3 cups fresh spinach, roughly chopped
03 2 cups sliced mushrooms
04 3 garlic cloves, minced
05 Salt and pepper to taste

→ Béchamel Sauce

06 3 tablespoons butter
07 3 tablespoons all-purpose flour
08 3 cups warm milk
09 1/2 teaspoon ground nutmeg
10 Salt and pepper to taste

→ Lasagna Assembly

11 9 lasagna noodles
12 2 cups shredded mozzarella cheese
13 1/2 cup grated Parmesan cheese
14 1 cup ricotta cheese

Instructions

Step 01

Heat your pan with olive oil and cook those mushrooms until they're golden brown - about 5 minutes should do it. Toss in the garlic and spinach, give it a stir until the spinach wilts down. Season with salt and pepper, then set aside.

Step 02

Melt the butter in a pot, stir in flour and cook for a minute or two to make a paste. Slowly pour in warm milk while whisking to avoid lumps. Keep stirring until it thickens up nicely. Add nutmeg, salt, and pepper.

Step 03

Heat your oven to 375°F. Spread some sauce in your baking dish, then start layering: noodles, veggies, ricotta dollops, mozzarella, and more sauce. Do this three times.

Step 04

Finish with the last of your sauce and sprinkle with mozzarella and Parmesan. Cover with foil and bake for 25 minutes, then uncover and bake 15 more minutes until golden and bubbly.

Step 05

Let it sit for 10 minutes before cutting - trust me, it's worth the wait! Then dig in while it's warm and gooey.

Notes

  1. Leftovers stay good in the fridge for 3 days
  2. Try adding sautéed onions or chili flakes for extra flavor

Tools You'll Need

  • 9x13-inch baking dish
  • Large skillet
  • Saucepan
  • Whisk
  • Aluminum foil

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (milk, cheese)
  • Contains gluten (flour, pasta)
  • Contains eggs (pasta)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 385
  • Total Fat: 18 g
  • Total Carbohydrate: 42 g
  • Protein: 15 g