Wash the pepper, seed and dice finely; chop the onions and slice the mushrooms; slice the pickles.
Rub the paprika into the pork.
Heat the oil in a frying pan and fry the pork for 5 minutes on each side.
Remove, season with salt and keep hot.
Place the peppers, onion, mushrooms and pickles in the frying pan and cook for 5 minutes.
Add the ketchup and bring to the boil.
Arrange the pork on a serving dish, spoon over the vegetables and sauce.
Serve sprinkled with chopped parsley.