– Boil the pasta in a large pot of water until al dente, according to the package directions. While the pasta is boiling, shred all of the cheese into one large bowl and toss together.
– Then add four tablespoons of butter, cream cheese, about ¾ of the shredded cheese mixture, milk, heavy cream, cajun seasoning, mustard powder, onion powder, garlic powder, and salt and pepper.