INGREDIENTS
leftover chicken bones roughly equivalent to a medium sized chicken (or one whole carcass)
1
large onion, peeled and quartered
2
ribs celery, cut into thirds
1
carrots, cut into thirds
6 cloves
garlic, peeled
1 tbsp
apple cider vinegar
1 tbsp
black peppercorns
2
full sprigs rosemary
salt and pepper