01 -
Generously coat chicken with Cajun seasoning, salt, and pepper. Heat butter in a large skillet over medium-high heat and sear chicken until golden and cooked through, approximately 6-8 minutes per side depending on thickness. Remove and set aside.
02 -
Bring a large pot of salted water to a boil. Add pasta and cook until just al dente, about 8-10 minutes. Drain using a colander and set aside.
03 -
In a large saucepan, melt butter over medium heat. Whisk in flour and cook for 1-2 minutes to form a roux without browning. Gradually whisk in milk and heavy cream, stirring constantly until sauce thickens and becomes smooth, about 5-7 minutes. Remove from heat and mix in cheddar, mozzarella, and Parmesan cheese until fully melted and creamy.
04 -
Slice or shred the cooked chicken. Add cooked pasta and chicken to the cheese sauce, gently stirring until everything is evenly combined and heated through.
05 -
Transfer mixture to a baking dish. Sprinkle with additional cheese or breadcrumbs if desired. Broil in a preheated oven for 3-5 minutes until bubbly and golden brown on top.
06 -
Garnish with chopped fresh parsley and an optional sprinkle of Cajun seasoning. Serve immediately alongside a light salad or roasted vegetables.