large chicken (around 2.25kg), either left whole or quartered (I freeze raw chicken carcasses and trimmings from other dishes and add these to my soup for extra flavour), celery with leaves, medium onions, peeled, large leeks, halved lengthways, dark green part removed, large parsnip, peeled and halved lengthways, large carrots, peeled and halved lengthways, green pepper, deseeded (optional), tomatoes, small raw beetroot, peeled (optional), parsley on the stem, no need to chop it, salt, plus extra to taste, Cold water