Delicious Cheesy Chicken Lasagna

Ingredients

• 1 lb (450g) boneless, skinless chicken breast, shredded
• 1 tbsp (15ml) olive oil
• 1 small onion, diced
• 2 cloves garlic, minced
• 1 cup (240ml) marinara sauce
• ½ tsp (2g) dried oregano
• Salt and pepper, to taste
• 2 cups (480g) ricotta cheese
• 1 large egg
• 2 cups (200g) shredded mozzarella cheese, divided
• 1 cup (100g) grated Parmesan cheese
• ½ tsp (2g) Italian seasoning
• 9-12 lasagna noodles (uncooked; no-boil recommended)
• Extra shredded mozzarella for topping