Rigatoni di Casa - Alberta Milk

Ingredients

• 1 lb (450 g) rigatoni
• 2 tbsp (30 ml) butter, divided
• 1 small onion, diced
• 1 carrot, diced
• 1 celery stalk, diced
• 1 lb (450 g) lean ground pork (or beef)
• 2 cloves garlic, minced
• 28 oz (796 ml) can diced tomatoes
• 1 bay leaf
• 2 tsp (10 ml) dried basil
• 1/2 tsp (2 ml) dried oregano
• 1/2 tsp (2 ml) dried thyme
• 3/4 tsp (4 ml) salt, divided
• 1/2 tsp (2 ml) pepper
• 2 tbsp (30 ml) all-purpose flour
• 1 1/2 cups (375 ml) milk
• 1 cup (250 ml) cottage cheese (or ricotta)
• 1 1/2 cups (375 ml) shredded mozzarella