Stuffed Shells with Chicken

Name: Stuffed Shells with Chicken
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: Italian
Ingredients: 12 ounces pasta shells (uncooked); 1 tablespoon olive oil; 1 pound ground chicken; 2 cloves garlic (minced); 1 teaspoon fine sea salt; 1/2 teaspoon ground black pepper; 1 teaspoon dried oregano; 1/2 teaspoon dried rosemary; 1/4 teaspoon dried thyme; 1/4 teaspoon crushed red pepper; 2 1/2 cups ricotta cheese (or 1 15-ounce container); 2 cups mozzarella cheese; 1/2 cup shredded parmesan; 1 egg; 2 1/2 cups marinara sauce