01 -
Cut 1 1/2 lbs sirloin or flank steak into 1-inch tips. Toss with 2 tbsp Cajun seasoning and 1 tbsp olive oil; set aside. Bring a large pot of salted water to a boil for the 12 oz rigatoni pasta. This initial prep ensures everything is ready for your Cajun Steak Tips in Cheesy Rigatoni Parmesan Sauce.
02 -
Add 12 oz rigatoni pasta to the boiling water. Cook according to package directions until al dente. Drain, reserving 1/2 cup pasta water. This reserved water will be crucial for achieving the perfect consistency in your cheesy sauce later.
03 -
In a large skillet or Dutch oven, melt 2 tbsp unsalted butter over medium heat. Add 1/2 medium yellow onion, finely diced, and cook until softened, about 3-4 minutes. Stir in 3 cloves garlic, minced, and cook for another minute until fragrant.
04 -
Sprinkle 2 tbsp all-purpose flour into the skillet, stirring for 1 minute to create a roux. Gradually whisk in 2 cups whole milk until smooth. Bring to a gentle simmer, then reduce heat. Stir in 1 cup freshly grated Parmesan cheese, 1 cup shredded sharp cheddar cheese, and 4 oz softened cream cheese until melted and smooth. Season with salt and black pepper to taste. This forms the rich base of your Cajun Steak Tips in Cheesy Rigatoni Parmesan Sauce.
05 -
Heat a separate large skillet over medium-high heat until very hot. Add the seasoned steak tips in a single layer, working in batches if necessary to avoid overcrowding. Sear for 2-3 minutes per side for medium-rare, or until desired doneness. Remove from skillet and set aside to rest.
06 -
Add the drained rigatoni pasta to the cheesy Parmesan sauce. If the sauce is too thick, add a splash of the reserved pasta water until desired consistency. Gently fold in the rested Cajun steak tips. Ensure everything is well coated for a truly delicious Cajun Steak Tips in Cheesy Rigatoni Parmesan Sauce.
07 -
Divide the Cajun Steak Tips in Cheesy Rigatoni Parmesan Sauce among four plates. Garnish generously with 1/4 cup fresh parsley, chopped, and extra freshly grated Parmesan cheese. Serve immediately and enjoy this comforting meal!