Season the chicken with salt, pepper, and Cajun seasoning. Make it bold—this is where the flavor starts.
In a large skillet, heat the olive oil over medium-high heat. Sear the chicken until browned and cooked through, about 4–6 minutes. Remove and set aside.
In the same pan, add garlic and a pinch of paprika. Sauté until fragrant, about 30 seconds. Don’t let it burn or it’ll taste bitter—watch it close.
Pour in the chicken broth and bring to a simmer. Scrape up any browned bits from the bottom—flavor gold!
Stir in the cream and bring back to a gentle simmer. Add the pasta directly into the sauce, adjusting the heat so the pasta can cook and absorb the flavors.
Return the chicken to the pan. Stir in Parmesan and mozzarella (if using) until the cheese melts into a creamy coating. Taste and adjust seasoning with salt, pepper, and red pepper flakes if you like more kick.
Finish with green onions or parsley. Serve immediately while bubbling hot and creamy.