400g/14oz new potatoes
4 red onions, thinly sliced
2 tbsp fresh thyme leaves, chopped
1 tbsp Dijon mustard
500ml/18fl oz good quality chicken stock
2 tbsp Worcestershire sauce
salt and freshly ground black pepper
50g/1戮oz plain flour
2 tbsp olive oil
2 tbsp butter
8 large pork sausages
100ml/3陆fl oz red wine