Peel and finely chop the onion. Heat 1 tsp. oil in a pot. Sauté diced onion for about 2 minutes, then add tomato sauce and stock. Simmer the sauce for about 5 minutes
Cook the pasta in boiling salted water according to the instructions on the packet. Wash the fish, dab dry and season with salt and pepper. Turn fish in flour, tap off excess flour
Heat 2 tablespoons of oil in a coated frying pan. Fry the fish for approx. 5 minutes while turning. Stir cream cheese into the sauce and season with salt and pepper. Drain the pasta and add to the sauce. Shortly before the end of the cooking time, sprinkle fish on both sides with chilli flakes and dried parsley. Arrange fish and noodles on plates and garnish with parsley