Place the bacon on a wire rack in the oven with a frying pan underneath.
Fry the bacon in the oven until golden and crispy, for about 30 minutes. Then add the salt.
Meanwhile, put the milk and cornstarch in a saucepan and bring to a boil. Stir it at the same time.
Add parsley and sugar and bring the sauce to the boil for 5 minutes.
Season the sauce with salt and pepper.
Serve the pork with boiled potatoes and parsley sauce.