Clean and trim the mushrooms and, depending on size, cut them in half or into pieces. Clean and wash spring onions and cut into fine rings. Wash chops and pat dry
Heat the oil in a large frying pan and fry the chops in it in portions, turning them briefly and hot. Season with salt and pepper, place in an ovenproof dish and cook in a preheated oven (electric cooker: 100 °C/ convection oven: 75 °C/ gas: see manufacturer) for 8-10 minutes
Cook the pasta in plenty of boiling salted water according to the instructions on the packet. Add butter to the hot frying fat. Fry the mushrooms for 4-5 minutes, turning them over. Add spring onions, season with salt and cayenne pepper and pour on 250-300 ml water. Stir in tomato sauce, bring to the boil and simmer for about 5 minutes. Stir in crème fraiche. Season sauce with salt and cayenne pepper
Pour the pasta into a sieve, drain and arrange with the chops. Pour a little sauce over it, add the rest of the sauce