Slow Cooker Rigatoni with Tomato Sauce, Pork Shank and Sausage Meatballs

Ingredients

• Sauce

  • 2.2 lb (1 kg) pork shank (see note)
  • 2 tbsp (30 ml) olive oil, plus more for serving
  • 1 onion, chopped
  • 1 celery stalk, chopped
  • 1 carrot, chopped
  • 2 garlic cloves, thinly sliced
  • 3 oz (85 g) pancetta, diced
  • ¼ cup (60 ml) white or red wine
  • 1 can (28 oz/796 ml) whole plum tomatoes, crushed with your hands
  • 1 bottle strained tomatoes (about 2 ½ cups/625 ml)
  • ½ cup (125 ml) chicken or beef broth
  • 1 tsp dried oregano
  • ½ tsp red pepper flakes

• Sausage Meatballs (see note)

  • 2 sausages, casings removed
  • 1 slice white bread, finely chopped
  • 2 tbsp (30 ml) milk
  • 2 tbsp parsley, finely chopped
  • 2 tbsp Parmesan cheese, freshly grated
• • 1 lb (450 g) rigatoni (or another pasta of your choice)

• Toppings (optional)

  • 4 cups (120 g) watercress or arugula
  • 1 garlic clove, chopped
  • 2 tbsp (30 ml) olive oil