Creamy Spinach & Mushroom Lasagna is a rich and comforting vegetarian dish packed with layers of tender lasagna noodles, creamy béchamel sauce, sautéed mushrooms, fresh spinach, and gooey melted cheese. This dish is perfect for a cozy dinner, meal prep, or even a special occasion!
Why You’ll Love This Recipe
- Rich & Creamy – A velvety béchamel sauce and melted cheese make every bite indulgent.
- Loaded with Vegetables – A great way to enjoy nutrient-rich spinach and mushrooms.
- Vegetarian-Friendly – A satisfying meatless dish that even meat lovers will enjoy.
- Perfect for Meal Prep – Tastes even better the next day as the flavors meld together.
- Customizable – Add different cheeses, herbs, or vegetables to make it your own.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
For the Filling
- Olive oil
- Butter
- Fresh mushrooms (cremini, button, or portobello), sliced
- Fresh spinach, chopped
- Garlic, minced
- Ricotta cheese
- Egg
- Parmesan cheese, grated
- Mozzarella cheese, shredded
- Salt & black pepper
- Italian seasoning
For the Béchamel Sauce
- Butter
- All-purpose flour
- Whole milk or heavy cream
- Nutmeg (optional, for warmth)
- Parmesan cheese, grated
- Salt & black pepper
Other Ingredients
- Lasagna noodles (regular or oven-ready)
- Mozzarella cheese, shredded (for topping)
- Fresh parsley, for garnish
Directions
Step 1: Prepare the Mushroom & Spinach Filling
- Heat olive oil and butter in a skillet over medium heat.
- Add sliced mushrooms and sauté until browned and tender, about 5 minutes.
- Stir in garlic and cook for 30 seconds.
- Add spinach and cook until wilted. Season with salt, pepper, and Italian seasoning. Remove from heat and let cool slightly.
- In a bowl, mix ricotta cheese, egg, Parmesan cheese, and the cooked spinach-mushroom mixture.
Step 2: Make the Béchamel Sauce
- In a saucepan, melt butter over medium heat.
- Whisk in flour and cook for 1-2 minutes, stirring constantly.
- Gradually whisk in milk, stirring until smooth and thickened.
- Stir in Parmesan cheese, salt, pepper, and nutmeg (if using). Remove from heat.
Step 3: Assemble the Lasagna
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Spread a thin layer of béchamel sauce at the bottom of the dish.
- Add a layer of lasagna noodles.
- Spread a portion of the ricotta-spinach-mushroom filling over the noodles.
- Drizzle with more béchamel sauce and sprinkle with shredded mozzarella.
- Repeat layers until all ingredients are used, finishing with noodles, béchamel, and a generous layer of mozzarella.
Step 4: Bake
- Cover with foil and bake for 25 minutes.
- Remove foil and bake for another 15 minutes until golden and bubbly.
- Let cool for 10 minutes before slicing. Garnish with fresh parsley.
Servings and Timing
- Servings: 6-8
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour
Variations
- Add Protein: Stir in cooked chicken or crumbled Italian sausage.
- Extra Cheesy: Mix in shredded fontina or provolone for more cheesy goodness.
- Gluten-Free: Use gluten-free lasagna noodles and cornstarch instead of flour for the sauce.
- Vegan Option: Use dairy-free ricotta, plant-based milk, and vegan cheese.
- Spicy Kick: Add a pinch of red pepper flakes to the mushroom mixture.
Storage/Reheating
- Refrigeration: Store in an airtight container for up to 4 days.
- Freezing: Freeze in portions for up to 2 months. Thaw overnight before reheating.
- Reheating: Warm in a 350°F oven for 15-20 minutes or microwave in 1-minute intervals.
FAQs
Can I use frozen spinach?
Yes! Thaw and squeeze out excess water before using.
Do I have to cook the lasagna noodles first?
Oven-ready noodles can be used without boiling, but regular noodles should be cooked al dente.
Can I use Alfredo sauce instead of béchamel?
Yes! Alfredo sauce makes a rich and creamy alternative.
What’s the best cheese for this lasagna?
Mozzarella for meltiness, Parmesan for sharpness, and ricotta for creaminess.
How do I keep my lasagna from being watery?
Drain excess liquid from the mushrooms and spinach before layering.
Can I assemble this lasagna ahead of time?
Yes! Assemble it, cover, and refrigerate up to 24 hours before baking.
What should I serve with this lasagna?
Garlic bread, Caesar salad, or roasted vegetables make great side dishes.
Can I add other vegetables?
Absolutely! Zucchini, bell peppers, or caramelized onions would be delicious additions.
How do I get a golden top without overbaking?
Broil for 2-3 minutes at the end for a golden-brown finish.
Can I make this lasagna in a smaller dish?
Yes, halve the ingredients and bake in an 8×8-inch dish.
Conclusion
Creamy Spinach & Mushroom Lasagna is a decadent, cheesy, and comforting dish that’s perfect for any occasion. Whether you make it for a family dinner, a meal prep option, or a holiday gathering, this lasagna is sure to impress. Try it today and enjoy layers of creamy, cheesy, veggie-packed goodness!
PrintCreamy Spinach & Mushroom Lasagna
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 5 minutes
- Yield: 6–8 servings 1x
- Category: Main Course
- Method: Baked
- Cuisine: American
Description
A rich and comforting vegetarian lasagna packed with sautéed mushrooms, fresh spinach, and a luscious creamy white sauce. Perfect for cozy dinners and special occasions!
Ingredients
For the Vegetables:
- 2 tablespoons olive oil
- 1 small onion, diced
- 3 cloves garlic, minced
- 10 oz mushrooms, sliced (cremini or button)
- 5 cups fresh spinach, chopped
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 teaspoon red pepper flakes (optional, for spice)
For the White Sauce (Béchamel):
- 4 tablespoons butter
- 4 tablespoons all-purpose flour
- 3 cups whole milk
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1/4 teaspoon ground nutmeg (optional, for depth)
- 1/2 cup grated Parmesan cheese
For the Ricotta Mixture:
- 1 1/2 cups ricotta cheese
- 1 egg
- 1/2 teaspoon salt
- 1/2 teaspoon Italian seasoning
For Assembly:
- 9–12 lasagna noodles (regular or oven-ready)
- 2 cups shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 2 tablespoons chopped parsley (for garnish)
Instructions
Step 1: Cook the Vegetables
- Heat olive oil in a large pan over medium heat. Add onion and cook for 2 minutes until softened.
- Add garlic and mushrooms, cooking for 5 minutes until mushrooms release moisture and brown.
- Stir in chopped spinach, salt, black pepper, and red pepper flakes. Cook for 2 minutes until wilted. Remove from heat and set aside.
Step 2: Make the White Sauce
- In a saucepan, melt butter over medium heat. Stir in flour and whisk constantly for 1-2 minutes to form a roux.
- Slowly whisk in milk, stirring continuously until smooth.
- Bring to a gentle simmer and cook for 3-4 minutes, stirring until slightly thickened.
- Stir in Parmesan cheese, salt, black pepper, and nutmeg. Remove from heat.
Step 3: Prepare the Ricotta Mixture
- In a bowl, mix ricotta cheese, egg, salt, and Italian seasoning until smooth.
Step 4: Assemble the Lasagna
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Spread a thin layer of white sauce on the bottom of the dish.
- Add a layer of lasagna noodles, then ½ of the ricotta mixture, ½ of the mushroom-spinach mixture, and a sprinkle of mozzarella.
- Repeat layers: noodles, ricotta, vegetables, white sauce, and mozzarella.
- Finish with a layer of noodles, remaining white sauce, and mozzarella & Parmesan cheese.
Step 5: Bake & Serve
- Cover with foil and bake for 30 minutes. Remove foil and bake for another 10-15 minutes until golden and bubbly.
- Let rest for 10 minutes before slicing. Garnish with fresh parsley and serve warm.
Notes
- Want more flavor? Add sun-dried tomatoes or caramelized onions.
- Need a shortcut? Use store-bought Alfredo sauce instead of homemade béchamel.
- Make ahead: Assemble the lasagna and refrigerate overnight before baking.
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