Boil salted water in a large pot. Add the spaghetti and cook until al dente, about 8-10 minutes. Reserve a cup of pasta water, then drain the spaghetti well.

Sprinkle Cajun seasoning, salt, and pepper evenly over the sliced chicken breasts.

Heat olive oil in a large skillet over medium-high heat. Add the seasoned chicken and cook for 5-7 minutes, until golden brown and cooked through. Remove from the skillet and slice.

In the same skillet, melt butter over medium heat. Add minced garlic and sauté for about 1-2 minutes until fragrant.

Pour in the chicken broth and heavy cream. Stir well and let the mixture simmer gently for about 3-5 minutes.

Stir in shredded mozzarella and grated parmesan until the cheese is fully melted and the sauce is smooth and creamy.

Toss in the cooked spaghetti, ensuring every strand is coated in the luscious sauce.

Plate the creamy Cajun chicken spaghetti and top with sliced chicken and a sprinkle of chopped parsley for a beautiful presentation.