Mushroom And Spinach Lasagna Recipe

Ingredients For Mushroom And Spinach Lasagna Recipe

• 1.5 pound Portobello mushrooms, stems discarded and caps halved and sliced
• 1.5 pound Cremini mushrooms, trimmed and sliced
• 0.25 cup Olive oil
• 1 tablespoon Fresh thyme leaves
• Kosher Salt And Black Pepper
• 0.5 cup Unsalted butter, plus more for the foil
• 0.5 cup All purpose flour
• 6 cup Whole milk
• 0.25 teaspoon Ground nutmeg