
When it's cold and miserable outside, a warm steaming bowl of thick soup is just what you need to cheer you up. This hearty chicken and leek soup is a perfect winter warmer.

2 skinless boneless chicken breasts
500 ml chicken stock
500 ml milk
1 medium onion
1 medium carrot
2 sticks celery
2 medium parsnips
2 medium potatoes
2-3 sprigs fresh thyme
small handful flatleaf parsley
salt and pepper to taste