2 large carrots, cut into 2.5cm/1in pieces
300g/10陆oz fine green beans
1 onion, finely sliced
3 sprigs thyme
2 tbsp plain flour
2 tbsp wholegrain mustard
400ml/14fl oz beef stock
salt and freshly ground black pepper
sea salt and freshly ground black pepper
2 tbsp rapeseed oil
25g/1oz butter
2 free-range egg yolks, beaten
400g/14oz all-butter puff pastry, rolled to 5mm/录in thick
1kg/2lb 4oz beef skirt, cut into large chunks
200ml/7fl oz red wine