1 large carrot, roughly chopped
2 celery sticks, roughly chopped
2 leeks, washed and sliced
3 tbsp lemon juice
small handful chopped parsley
2 sprigs thyme
1.5 litres/2陆 pints chicken stock
100g/3陆oz orzo pasta
2 bay leaves
cayenne pepper
1 tsp salt
30g/1oz butter
8 free-range eggs
bones from a 1.5kg/3lb 5oz chicken, or 450g/1lb wings and/or drumsticks, or leftover bones from a roasted chicken
1 skinless chicken breast, weighing about 170g/6oz