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Easy Spinach Mushroom Lasagna Recipe

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4.7 from 17 reviews

This Easy Spinach Mushroom Lasagna is a hearty vegetarian dish that’s perfect for a cozy family dinner. Layers of no-boil lasagna noodles, creamy ricotta cheese, sautéed spinach, and mushrooms, all topped with a rich marinara sauce and melted cheese. A comforting and delicious meal that’s sure to satisfy everyone at the table.

  • Author: Sarah
  • Prep Time: 25 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour 10 minutes
  • Yield: 8 servings
  • Category: Main Dish
  • Method: Baking
  • Cuisine: Italian
  • Diet: Vegetarian

Ingredients

For the Filling:

  • 1 tablespoon olive oil
  • 1 medium onion, finely diced
  • 8 ounces cremini mushrooms, chopped
  • 1 garlic clove, finely grated or minced
  • 1 pound fresh spinach leaves
  • 15 ounces ricotta cheese
  • 2 large eggs, beaten

Other Ingredients:

  • 1 (24oz) jar pasta sauce or 3 cups homemade marinara sauce
  • 12 no-boil oven-ready lasagna sheets or cooked traditional lasagna noodles
  • 1/2 cup finely grated parmesan cheese
  • 1 1/4 cups grated mozzarella cheese
  • 3/4 teaspoon fine sea salt
  • 1/4 teaspoon freshly ground black pepper

Instructions

  1. Preheat the oven to 350°F (177°C) and grease a 9×13-inch baking pan with oil.
  2. Sauté onions and mushrooms in olive oil until onions are translucent.
  3. Add garlic, spinach, and salt, cook until spinach is wilted.
  4. Mix ricotta, eggs, salt, and pepper in a bowl.
  5. Layer ingredients in the baking pan: sauce, noodles, ricotta mix, cheeses, spinach mix, sauce, repeat.
  6. Cover and bake for 30 minutes, then uncover and bake 10-15 more minutes until bubbly and browned.
  7. Broil for 1-2 minutes for a golden top.

Notes

  • Substitute fresh spinach with defrosted frozen spinach if needed.
  • Leftovers can be stored in the fridge for up to 3 days or frozen for up to 3 months.
  • Lasagna can be assembled ahead and stored unbaked in the fridge for up to 2 days.
  • To reheat, bake at 400°F for 30 minutes to an hour.

Nutrition