Somerset pork noisettes

1) Heat the oil and fry the noisettes and onion for 4-5 minutes.
2) Add the apple juice, the sliced apple and cider and cook for 6-8 minutes until reduced.
3) Blend the cornflour with 2 teaspoons of water and add to the pan. Stir continuously for 2-3 minutes.
4) Remove pan from the heat and stir in the soured cream.
5) Return to a low heat and season to taste.
6) Sprinkle with chopped parsley before serving.