In a large pot of salted water, cook the pasta according to package instructions.
In a large skillet, melt the butter. Drain the pasta and add it to the skillet along with the cream, cheese and salt/pepper to taste. Toss over low heat until the pasta is well-coated.
Plate individual servings and top with a little fresh parsley. Serve additional grated Parmesan on the side, for serving.