Pressure Cooker Spaghetti Sauce

Ingredients

• • 1 lb (450 g) lean ground beef
  • ¾ lb (340 g) Italian sausage meat
  • ¼ cup (60 ml) olive oil
  • 2 small onions, finely chopped
  • 2 carrots, diced
  • 2 celery stalks, diced
  • 2 garlic cloves, finely chopped
  • 1 can (28 oz/796 ml) diced Italian tomatoes
  • 1 can (28 oz/796 ml) tomato sauce or crushed tomatoes in purée
  • ½ cup (125 ml) chicken broth
  • 1 tsp dried oregano
  • ½ tsp celery salt
  • 1 clove
  • 1 can (5.5 oz/156 ml) tomato paste