Cook noodles according to package directions; drain., Meanwhile, toss chicken with paprika, 1/2 teaspoon salt and 1/4 teaspoon pepper. In a Dutch oven, heat oil over medium-high heat. In batches, saute chicken until browned, 2-3 minutes. Remove from pan., In same pan, saute mushrooms in butter until lightly browned, 4-5 minutes. Add onion; cook and stir until softened, 3-4 minutes. Add garlic; cook and stir 1 minute., Add wine, stirring to loosen browned bits from pan. Add stock, Worcestershire sauce and mustard; bring to a boil. Cook, uncovered, until liquid is reduced by half, 10-12 minutes. Stir in chicken; cook, uncovered, over medium-low until chicken is no longer pink, 3-5 minutes., Stir in creme fraiche, parsley and the remaining salt and pepper; remove from heat. Stir in noodles.