Using ingredient coarsely celery with leaves

Chicken Broth

• 2 onions quartered
• 1 bay leaf
• 1,900 ml water
• 525 gr chicken backs
• 100 gr coarsely celery with leaves (chopped)
• 65 gr carrots (sliced)
• 4 gr salt
• 1 gr parsley (fresh chopped)
• 1 gr pepper