Best Vegetarian Lasagna | Family Recipes | Umami

Ingredients

• Extra-virgin olive oil
• 8 ounces cremini mushrooms (stemmed and quartered)
• 1 red bell pepper (stemmed, seeded, and cut into 1-inch pieces)
• 1 medium zucchini (cut into ½-inch pieces)
• ½ medium yellow onion (cut into ½-inch pieces)
• Sea salt
• Freshly ground black pepper
• 15 lasagna noodles*
• 3 cups marinara sauce (24 ounces)
• 3 cups fresh spinach
• 2 cups grated low-moisture, part-skim mozzarella cheese
• ½ cup grated pecorino cheese
• Fresh basil leaves or chopped fresh parsley (for garnish)
• 3 cups whole milk ricotta cheese (24 ounces)
• 3 garlic cloves (grated)
• 2 teaspoons lemon zest
• 1 teaspoon sea salt