Heat the oil in a large sauté pan over medium-high heat, add in the chicken breast. Cook for 5 minutes then flip the chicken over, add the garlic to the pan. Cook the chicken for an additional 5 minutes.
Place the chicken breast onto a plate. Add the chicken broth, heavy cream, and Italian seasoning. Let the sauce simmer for 3-6 minutes until the sauce has thickened.Add in the spinach and cook for 2 minutes. Add in the chicken and cook for an additional 2 minutes..