Instructions

  1. Cook the pasta in boiling, salted water as per package directions; drain and return to the pot.
  2. Stir in milk, Jack Cheese, American cheese, mozzarella cheese, pepper and ground mustard.
  3. Cook over low heat, stirring constantly, until cheese melts, about 5 minutes.
  4. Serve in individual dishes topped with 1 tablespoon of freshly grated Parmesan-Reggiano per serving.