Cook the noodles in plenty of salted water until they are al dente.
Heat oil in a saucepan and fry the onion until translucent. Cut the chicken breast fillet into small pieces and add to the saucepan. When the meat is well done, add the cleaned and quartered mushrooms. After another 3-5 minutes pour in the cream, bring to the boil and season with salt, pepper and Vegeta.
Let everything boil briefly and serve with the pasta.