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Delicious Mushroom White Sauce Lasagna – A Comforting Vegetarian Delight

Mushroom Lasagna with White Sauce and Cheese

Ouissam Recipes
A rich and creamy Mushroom Lasagna with White Sauce and Cheese, featuring tender pasta, savory mushrooms, and a blend of melted cheeses. A perfect comfort food.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Course Dinner
Cuisine Italian
Servings 4 people

Equipment

  • 9x13-inch baking dish
  • Large pan
  • Saucepan
  • Whisk
  • Stirring spoon
  • Measuring spoons and cups
  • Knife and chopping board

Ingredients
  

  • 500 g Mushrooms (button, cremini, or a mix)
  • 2 tablespoons Olive oil or unsalted butter
  • 2 cloves Garlic, minced
  • 1 small Onion, finely chopped
  • 1 teaspoon Dried thyme or Italian seasoning
  • Salt and pepper To taste
  • 4 tablespoons Unsalted butter (for béchamel)
  • 4 tablespoons All-purpose flour
  • 3 cups Warm milk
  • ½ teaspoon Ground nutmeg (optional)
  • 12 sheets Lasagna sheets (oven-ready or pre-cooked)
  • 2 cups Shredded mozzarella cheese
  • 1 cup Grated Parmesan cheese
  • ½ cup Shredded Gruyère or Fontina cheese (optional)
  • 2 tablespoons Fresh parsley or basil (for garnish)

Instructions
 

  • Prepare the Mushroom Filling
    Warm butter or olive oil in a large pan over medium heat.
    Toss in the chopped onion and cook for 2-3 minutes until it becomes translucent.
    Mix in the minced garlic and let it cook for another minute.
    Add sliced mushrooms, season with salt, pepper, and thyme.
    Sauté for 8-10 minutes until tender and moisture evaporates.
    Set aside to cool slightly.
  • Make the White Sauce (Béchamel)
    In a saucepan, melt butter over medium heat.
    Stir in flour, whisking continuously to create a smooth roux.
    Gradually add warm milk, whisking to prevent lumps.
    Simmer for 5-7 minutes until thickened.
    Season with nutmeg, salt, and pepper.
    Remove from heat.
  • Assemble the Lasagna
    Preheat the oven to 375°F (190°C).
    Spread a thin layer of béchamel sauce in a 9x13-inch baking dish.
    Layer lasagna sheets to cover the base.
    Add a portion of mushroom filling, followed by béchamel sauce.
    Sprinkle mozzarella, Parmesan, and Gruyère cheese.
    Continue layering until all ingredients are used, ending with a layer of cheese.
  • Bake the Lasagna
    Cover with foil and bake for 25-30 minutes.
    Remove foil and bake uncovered for an additional 10-15 minutes until golden and bubbling.
    Let it rest for 10-15 minutes before serving.
  • Garnish and Serve
    Sprinkle with fresh parsley or basil.
    Slice and serve warm.

Notes

For extra flavor, experiment with a mix of wild mushrooms, and feel free to add spinach or different cheese varieties to personalize this dish. Let the lasagna sit before slicing to maintain structure.
Keyword Creamy Mushroom Lasagna, Mushroom Lasagna with White Sauce and Cheese, Mushroom Recipes