Melt diet margarine in nonstick skillet over Medium heat. Add chicken and season with salt. Cook, stirring constantly fopr 3 minutes. Add onion and mushrooms. Continue stirring for 2 minutes longer. Add sherry or white wine. Blendn arrowroot and water in a cup. Add to skillet. Cook and stir rapidly until thick. Stir in yougrt and paprika. Cook just to heat. Do not boil. Serve with noodles and vegetalbes.