01 -
Combine chicken pieces with olive oil, Cajun seasoning, and smoked paprika in a mixing bowl. Toss thoroughly to coat all pieces evenly.
02 -
Bring a large pot of salted water to a boil. Add spaghetti and cook until al dente, 9–11 minutes. Drain and reserve.
03 -
Heat a large skillet over medium-high heat. Sear the seasoned chicken pieces for 6–8 minutes, stirring occasionally, until browned and fully cooked. Remove cooked chicken and set aside.
04 -
In the same skillet, melt butter over medium heat. Add minced garlic and cook for about 1 minute until fragrant.
05 -
Whisk flour into the melted butter and garlic, stirring constantly for 1 minute to form a pale roux.
06 -
Gradually add whole milk and chicken broth, whisking constantly to form a smooth sauce. Simmer gently for 3–4 minutes until slightly thickened.
07 -
Reduce heat to low. Add cream cheese and stir until fully melted and sauce is silky.
08 -
Stir in 1½ cups (150 g) of mozzarella and all the Parmesan cheese. Mix until melted and smooth. Season with salt, pepper, and optional red pepper flakes to taste.
09 -
Return the cooked chicken and spaghetti to the skillet. Fold together to evenly coat noodles and meat in the creamy sauce.
10 -
Transfer mixture to a large serving dish or oven-safe pan. Sprinkle the remaining ½ cup (50 g) mozzarella evenly over the top.
11 -
Place under the broiler for 2–3 minutes until the cheese topping is melted and golden.
12 -
Serve immediately while hot, and enjoy the creamy Cajun chicken spaghetti at its best.