Season chicken with salt, pepper, and Italian seasoning.
Heat oil in a large skillet over medium heat.
Add chicken and cook 5–6 minutes per side.
Remove chicken, slice, and set it aside.
In the same skillet, melt butter and add garlic.
Cook garlic for about 30 seconds until fragrant.
Add chicken broth and stir well.
Pour in heavy cream and whisk to combine.
Stir in Parmesan cheese slowly until it melts.
Simmer sauce for 4–5 minutes, stirring frequently.
Boil pasta according to package instructions.
Drain pasta and add it to the creamy sauce.
Add sliced chicken back into the skillet.
Mix gently to coat chicken and pasta evenly.
Garnish with parsley and more Parmesan before serving.