Pressure cooker Italian chicken soup

| 3 lbs whole chicken

large tomatoes

celery stalks (roughly chopped)

large carrots (peeled and halved)

large onion (roughly chopped)

garlic cloves (halved)

black peppercorns

bay leaf

| 8 cups water

salt

| about 3/4 cup risoni or orzo pasta

small bunch parsley (finely chopped)

small bunch basil (finely chopped)

lemon juice (to taste)

little grated Parmesan (to serve)

salt and pepper to season