Rub the chicken breasts with Cajun seasoning, minced garlic, salt, and pepper. Heat olive oil in a skillet over medium-high heat, then cook the chicken until golden and cooked through, about 6-8 minutes per side. Let rest before slicing to lock in juices.
In the same skillet, melt butter, then add garlic and cook until fragrant. Pour in heavy cream and chicken broth, bringing to a gentle simmer. Add cream cheese, stirring until smooth and creamy. in shredded mozzarella, Parmesan, salt, and pepper; cook until thickened and luscious.
Meanwhile, cook your chosen pasta in salted boiling water until al dente. Drain, then toss with a little olive oil or butter to prevent sticking.
Slice the rested chicken. Toss pasta with the spicy, cheesy sauce. Plate the pasta topped with sliced Cajun chicken. Garnish with extra Parmesan or herbs if desired. Serve hot and enjoy every indulgent bite!