In 10-inch skillet, crumble ground turkey; sprinkle with pepper. Cook over medium-high heat 5 to 6 minutes, stirring frequently, until turkey is no longer pink.
Stir in water, sauce mix and noodles; heat to boiling. Stir; reduce heat to medium-low. Cover; cook 6 to 8 minutes, stirring occasionally, until noodles are tender.
Stir in sour cream. Cook and stir just until thoroughly heated. Sprinkle with chopped parsley.