Mix together orange juice and wine, and pour over meat. Marinate 30 minutes.
Cook pasta in boiling salted water.
Heat butter and olive oil in a wide pan, and fry sliced onions until transparent. Add meat with marinade. Fry, stirring occasionally.
When meat is finished, add in cream and continue sautéing several minutes.
Serve prepared tenderloin over noodles and sprinkle with grated cheese and chilli with salt.
Pork tenderloin needs a short cooking time at high heat. Instead of cooking cream, you can use coconut milk to give the dish a special flavour.