Sausage Alfredo Ravioli Lasagna (Easy Baked Dinner) - My Home Made Recipe

Ingredients

• 1 lb (450 g) mild Italian sausage, casings removed
• 1/2 medium yellow onion, diced
• 2 cloves garlic, minced
• 15 oz (425 g) whole-milk ricotta
• 1 large egg
• 1/4 cup (25 g) grated parmesan, plus more for topping
• 1 teaspoon Italian seasoning
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 2 packages (20-24 oz / 565-680 g total) refrigerated cheese ravioli
• 2 jars (15 oz / 425 g each) Alfredo sauce, or 4 cups homemade
• 2 cups (225 g) shredded low-moisture mozzarella
• 2 tablespoons chopped fresh parsley (optional)