01 -
Cut 1 1/2 lbs sirloin steak into 1-inch tips. Toss with 2 tbsp Cajun seasoning and 1 tbsp olive oil. Bring a large pot of salted water to a rolling boil for the rigatoni pasta, preparing 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 of the starchy pasta water, then set the cooked rigatoni aside.
03 -
In a large skillet or Dutch oven, melt 4 tbsp unsalted butter over medium heat. Add 1/2 cup finely chopped yellow onion and sauté for 3-4 minutes until softened and translucent.
04 -
Add 4 cloves minced garlic to the skillet and cook for 1 minute until fragrant. Stir in 2 1/2 cups heavy cream and 1 cup chicken broth. Bring the mixture to a gentle simmer, then reduce heat to low.
05 -
Gradually whisk in 1 1/2 cups grated Parmesan cheese and 1/2 cup shredded sharp cheddar cheese until melted and smooth. Season with salt and freshly ground black pepper to taste. This forms the cheesy base for your Cajun Steak Tips in Cheesy Rigatoni Parmesan Sauce.
06 -
While the sauce simmers, heat 1 tbsp olive oil in a separate large skillet over high heat. Add the seasoned sirloin steak tips in a single layer, working in batches if necessary. Sear for 2-3 minutes per side for medium-rare.
07 -
Add the cooked 12 oz rigatoni pasta to the cheesy Parmesan sauce, tossing to coat. If the sauce is too thick, add a splash of the reserved pasta water. Gently fold in the seared Cajun steak tips.
08 -
Garnish the Cajun Steak Tips in Cheesy Rigatoni Parmesan Sauce with 1/4 cup fresh chopped parsley. Serve immediately and enjoy this hearty, flavorful meal.