Ultimate Baked Meat Ziti

Ingredients

• 1 lb (450g) ground beef (or Italian sausage)
• 1 medium onion, diced
• 2 cloves garlic, minced
• 1 can (28 oz/800g) crushed tomatoes
• 2 tbsp tomato paste
• 1 tsp dried oregano
• 1 tsp dried basil
• 1/2 tsp red pepper flakes (optional)
• Salt and pepper, to taste
• 12 oz (340g) ziti pasta (or penne)
• 2 cups (480g) ricotta cheese
• 1 egg
• 2 cups (200g) shredded mozzarella cheese
• 1/2 cup (50g) grated parmesan cheese