450g/1lb asparagus, stalks roughly chopped, tIps set aside for the stir fry
1 small bunch fresh chives, chopped
2 shallots, chopped
2 sprigs fresh thyme
60驳/2陆辞锄 watercress, leaves only
salt and freshly ground black pepper
1 tbsp olive oil
450ml/16fl oz chicken stock (vegetarians may substitute with vegetable stock)
50g/2oz butter
50ml/2fl oz double cream
125ml/4陆fl oz white wine