01 -
Fill a large saucepan with water and bring to a boil. Salt the water as desired.
02 -
Heat oil in a large frying pan over medium-high heat. Add sliced smoked sausage and fry until lightly browned on both sides. Remove sausage from pan and set aside.
03 -
Add rigatoni pasta to boiling water and cook according to package instructions until al dente. Drain thoroughly and return to the pot off the heat.
04 -
In a separate saucepan over medium-high heat, melt butter. Stir in garlic powder and onion powder, then whisk in flour. Cook mixture, stirring, for 3 minutes.
05 -
Gradually whisk in milk and cook for another 3 minutes. Reduce heat to medium and add salt and paprika. Gradually add shredded mozzarella cheese, whisking after each addition until fully melted. Stir in heavy cream and cook for 2 minutes, allowing sauce to bubble gently.
06 -
Transfer browned sausage and prepared cheese sauce to the pot with drained rigatoni. Stir thoroughly until pasta is evenly coated.
07 -
Serve hot, garnished with red pepper flakes and parsley flakes.