Easy Mushroom Spinach Lasagna for Dinner

Easy Mushroom Spinach Lasagna is the ultimate comfort food for dinner. After making this many times, I’ve discovered the trick to keeping it from drying out. The creamy, melty layers of cheese and rich mushroom sauce will make your kitchen smell amazing. Keep reading for my best tips or jump to the recipe card. If you love recipes like this, you’ll also enjoy Easy Maple Dijon Pork Tenderloin Recipe for Dinner and Easy Chicken Avocado Wrap Recipe for Quick Dinner.

Why This Easy Mushroom Spinach Lasagna for Dinner Is Pure Comfort
- Better than takeout taste at home
- Creamy, comforting layers of cheese and sauce
- Easy to customize with your favorite veggies
What You'll Need for Easy Mushroom Spinach Lasagna for Dinner
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 12 lasagna noodles
- 1 lb mushrooms, sliced
- 10 oz spinach, chopped
- 15 oz ricotta cheese
- 1 cup grated parmesan cheese
- 2 cups shredded mozzarella cheese
- 1 jar (24 oz) marinara sauce
- 1 tsp garlic powder
- 1 tsp dried oregano
- Salt and pepper, to taste
- 1 tsp red pepper flakes (optional)
- Optional: Fresh basil, chopped
- Optional: Grated parmesan cheese, for serving

📝 Ingredient Notes
- lasagna noodles: You can use no-boil or regular noodles. If using regular, cook according to package instructions before assembling the lasagna.
đź›’ Tools & Equipment I Recommend
- Non-stick skillet — Prevents mushrooms from sticking and ensures even cooking. → See on Amazon
- 9×13-inch baking dish — Perfect size for this lasagna recipe. Pays for itself vs takeout. → See on Amazon

How to Make Easy Mushroom Spinach Lasagna for Dinner
- Sauté mushrooms: Heat oil in a large skillet over medium heat. Add mushrooms and cook until browned and most of their liquid has evaporated. Stir in garlic powder, oregano, salt, and pepper. Remove from heat and stir in spinach until wilted.
- Assemble lasagna: Spread a thin layer of marinara sauce in the bottom of a 9×13-inch baking dish. Arrange a layer of lasagna noodles, followed by a layer of ricotta cheese, a layer of mushroom spinach mixture, and a layer of parmesan cheese. Repeat layers, ending with a layer of mozzarella cheese on top.
- Bake lasagna: Cover the baking dish with foil and bake at 375°F (190°C) for 25 minutes. Remove foil and bake for an additional 10-15 minutes, or until cheese is melted and bubbly. Let rest for 10 minutes before serving.
Cook's Tips for Perfect Easy Mushroom Spinach Lasagna for Dinner
- Common mistake and fix: Don't overcook the lasagna. It can become dry. Keep an eye on it and remove from the oven as soon as the cheese is melted and bubbly.
- Pro tip: For an extra layer of flavor, sauté the mushrooms with a little bit of butter before adding them to the lasagna.
- Pro tip: To make this lasagna ahead of time, assemble it in the baking dish, cover it tightly with foil, and refrigerate for up to 24 hours. When ready to bake, preheat the oven and add an extra 10-15 minutes to the baking time.
Storing & Reheating Easy Mushroom Spinach Lasagna for Dinner
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container in the fridge for up to 5 days. Make-ahead tip: You can assemble this lasagna ahead of time and refrigerate it for up to 24 hours before baking.
Freezing Easy Mushroom Spinach Lasagna for Dinner
Freeze individual portions for up to 3 months. Thaw in the fridge overnight before reheating.
How to Reheat Without Drying It Out
Oven: Reheat in a 350°F (175°C) oven for 15-20 minutes, or until heated through. Microwave: Reheat in the microwave for 2-3 minutes, or until heated through. Add a little bit of water to the dish to prevent it from drying out.
Recipe Notes
- Chef tip: For an even creamier lasagna, you can mix some of the marinara sauce into the ricotta cheese before spreading it on the lasagna noodles.
- Best substitution: You can substitute the mushrooms with zucchini or spinach for a lighter lasagna.
- Make-ahead: This lasagna can be made ahead of time and frozen for up to 3 months. Thaw in the fridge overnight before baking.
- Scaling: This recipe can be easily doubled to serve a larger crowd.
- Troubleshooting: If your lasagna is drying out, you can add a little bit of water or milk to the dish before reheating. This will help to keep it moist.
Want to level up this recipe?
High-quality marinara sauce — A good marinara sauce can make or break your lasagna. This one is worth the investment. → Check price on Amazon
Easy Mushroom Spinach Lasagna for Dinner

Ingredients
Main Ingredients
- 12 lasagna noodles
- 1 lb mushrooms, sliced
- 10 oz spinach, chopped
- 15 oz ricotta cheese
- 1 cup grated parmesan cheese
- 2 cups shredded mozzarella cheese
- 1 jar (24 oz) marinara sauce
Seasonings
- 1 tsp garlic powder
- 1 tsp dried oregano
- Salt and pepper, to taste
- 1 tsp red pepper flakes (optional)
Optional Toppings
- Fresh basil, chopped
- Grated parmesan cheese, for serving
Instructions
- Sauté mushrooms: Heat oil in a large skillet over medium heat. Add mushrooms and cook until browned and most of their liquid has evaporated. Stir in garlic powder, oregano, salt, and pepper. Remove from heat and stir in spinach until wilted.
- Assemble lasagna: Spread a thin layer of marinara sauce in the bottom of a 9×13-inch baking dish. Arrange a layer of lasagna noodles, followed by a layer of ricotta cheese, a layer of mushroom spinach mixture, and a layer of parmesan cheese. Repeat layers, ending with a layer of mozzarella cheese on top.
- Bake lasagna: Cover the baking dish with foil and bake at 375°F (190°C) for 25 minutes. Remove foil and bake for an additional 10-15 minutes, or until cheese is melted and bubbly. Let rest for 10 minutes before serving.
Notes
- Chef tip: For an even creamier lasagna, you can mix some of the marinara sauce into the ricotta cheese before spreading it on the lasagna noodles.
- Best substitution: You can substitute the mushrooms with zucchini or spinach for a lighter lasagna.
- Make-ahead: This lasagna can be made ahead of time and frozen for up to 3 months. Thaw in the fridge overnight before baking.
- Scaling: This recipe can be easily doubled to serve a larger crowd.
- Troubleshooting: If your lasagna is drying out, you can add a little bit of water or milk to the dish before reheating. This will help to keep it moist.
Storage
- Fridge: Store leftovers in an airtight container in the fridge for up to 5 days.
- Freezer: Freeze individual portions for up to 3 months. Thaw in the fridge overnight before reheating.
- Oven reheat: Reheat in a 350°F (175°C) oven for 15-20 minutes, or until heated through.
- Microwave reheat: Reheat in the microwave for 2-3 minutes, or until heated through. Add a little bit of water to the dish to prevent it from drying out.
- Make ahead: You can assemble this lasagna ahead of time and refrigerate it for up to 24 hours before baking.
Nutrition Per Serving
- Calories: 450
- Protein: 25g
- Fat: 18g
- Carbs: 45g
- Fiber: 4g
- Sugar: 6g
- Sodium: 1000mg
- Cholesterol: 75mg
- Sat. Fat: 10g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Mushroom Spinach Lasagna for Dinner FAQs
Yes, you can assemble the lasagna ahead of time and refrigerate it for up to 24 hours before baking. You can also freeze individual portions for up to 3 months.
Lasagna can become dry if it's overcooked. Keep an eye on it and remove it from the oven as soon as the cheese is melted and bubbly.
Yes, you can freeze individual portions of this lasagna for up to 3 months. Thaw in the fridge overnight before reheating.
While you can cook lasagna noodles in the air fryer, the lasagna itself is best cooked in the oven to ensure even cooking and melting of the cheese.
You can substitute ricotta cheese with cottage cheese or even Greek yogurt in a pinch. The texture may be slightly different, but the flavor will still be delicious.
A Warm Final Note
I can’t wait for you to try Easy Mushroom Spinach Lasagna for Dinner and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!






