150g/5½oz courgetti or butternut squash noodles, to serve
1 tbsp chopped fresh chives (optional)
1 garlic clove, crushed (optional)
100g/3½oz mushrooms, roughly chopped
1 very small onion (50g/1¾oz peeled weight), finely chopped
100ml/3½fl oz chicken stock
salt and freshly ground black pepper
2 tsp rapeseed oil
3 level tbsp half-fat crème fraîche
100g/3½oz lean pork medallion, roughly chopped