White Lasagna With Wild Mushrooms Gelson's

Ingredients

• ¼ cup unsalted butter
• 2 garlic cloves, minced
• 4 oz oyster mushrooms, sliced ½”-thick
• 4 oz maitake mushrooms, sliced ½”-thick
• 4 oz shiitake mushrooms, stems removed, sliced ¼”-thick
• 1 yellow onion, medium diced
• Kosher salt, to taste
• ¼ cup Gelson’s organic all-purpose flour
• 3 cups milk, room temperature
• 1 tsp Gelson’s dried sweet basil
• ½ tsp Gelson’s whole oregano
• 1 pinch Gelson’s ground nutmeg
• Freshly ground Gelson’s black pepper, to taste
• 9 lasagna noodles, plus extra
• 15 oz whole milk ricotta
• 20 oz frozen chopped spinach, thawed and drained
• 3 cups shredded mozzarella cheese
• ¾ cup freshly grated Parmesan
• 2 Tbsp chopped fresh parsley leaves, for garnish