Cook the pasta in salted water according to the instructions on the packet. Meanwhile let the pan get hot without oil.
Then put the can of tuna in the pan without draining. Drain the mushrooms from the tin, cut the freshness into slices and add. Fry the ingredients until they are cooked through. Then add the cream cheese and let it melt until it becomes a creamy mass.
Add the cooked and drained pasta and mix. If you like, you can rub some cheese over it. And it`s done.