This creamy spinach and mushroom lasagna is a vegetarian delight that combines layers of tender lasagna noodles, sautéed mushrooms, spinach, creamy béchamel sauce, and gooey cheese. Perfect for a comforting dinner or a special occasion, this recipe is rich, flavorful, and surprisingly easy to prepare.
Ingredients
For the Vegetable Filling:
- 2 tablespoons olive oil or butter
- 1 medium onion, finely chopped
- 3 garlic cloves, minced
- 2 cups mushrooms, sliced (button, cremini, or portobello)
- 4 cups fresh spinach (or 1 package frozen spinach, thawed and drained)
- ½ teaspoon dried thyme or Italian seasoning
- Salt and pepper, to taste
For the Béchamel Sauce:
- 4 tablespoons butter
- 4 tablespoons all-purpose flour
- 4 cups milk (whole or 2%, warm)
- ¼ teaspoon nutmeg (optional)
- Salt and pepper, to taste