Stocks: Chicken

• 1-2 chicken carcasses
• 2 carrots, roughly chopped
• 1 leek, roughly chopped

Add all the ingredients to a large, lidded pan. Bring to a simmer, then partly cover with the lid and simmer for 4 hours on the hob or cook in a slow cooker or low oven with the lid on for 6-8 hours.