Hearty Stuffed Shells with Meat A Proper Comfort Food

Ingredients

• 1 lb (450g) ground beef or Italian sausage
• 1 medium onion, finely chopped (about 1 cup/150g)
• 2 cloves garlic, minced
• 1 (15 ounce/425g) container ricotta cheese, full fat or part-skim
• 1 large egg, lightly beaten
• ½ cup (50g) grated Parmesan cheese, plus more for topping
• ¼ cup (5g) chopped fresh parsley
• 1 teaspoon dried Italian seasoning
• ½ teaspoon salt
• ¼ teaspoon black pepper
• 2 tablespoons olive oil
• 1 (28 ounce/794g) can crushed tomatoes
• 1 (15 ounce/425g) can tomato sauce
• 1 teaspoon dried oregano
• ½ teaspoon dried basil
• ½ teaspoon sugar
• Salt and pepper to taste
• 1 (12 ounce/340g) box jumbo pasta shells
• 8 ounces (225g) shredded mozzarella cheese