Chicken with Sour Cream Gravy

1 chicken, cut up
3 tablespoons margarine
seasoning salt
3 Tablespoons flour
1/4 cup sour cream

Heat butter in large skillet. Brown chicken on both sides. Sprinkle with seasoning salt. Ad 1/2 cup water; bring to a boil. Reduce heat, and cook, covered for 20 minutes (keep an eye on it, and make sure the water doesn't boil away). Turn chicken, continue cooking 15 to 20 minutes until done. Remove chicken, and keep warm. In a small jar, combine flour and 1/2 cup water; shake to mix well. Cook, stirring constantly, until mixture comes to a boil and thickens. Stir in sour cream, but do not let boil. Taste for seasoning. Four servings. Serve the gravy over the chicken and mashed potatoes.