Add the chicken stock, heavy cream, increase the heat to high and bring to a boil. Reduce the heat to medium low and simmer until thick, stirring constantly with a wooden spoon about 5 minutes.
Add 1 cup of gorgonzola cheese and 1 tablespoon of parsley. Stir well and adjust the seasoning to taste.
Add the pasta to the mushroom sauce, stirring well, and cook until the pasta is heated through, about 2 minutes.
Remove from heat and sprinkle with remaining gorgonzola cheese and parsley.