Country-Fried Steak With Cream Gravy
["3 lb. boneless sirloin steak (1/2-inch thick)", "1 Tbsp. salt", "1 Tbsp. white vinegar", "3 c. all-purpose flour", "2 Tbsp. freshly ground pepper", "vegetable oil", "2 Tbsp. all-purpose flour", "2 c. milk", "1/4 tsp. salt", "1/4 tsp. freshly ground pepper", "garnish (fresh parsley sprigs)"]
["Trim excess fat from meat.", "Pound meat to 1/4-inch thickness, using a meat mallet or rolling pin; cut into 10 to 12 serving size pieces.", "Place in a large bowl; add water to cover.", "Stir in 1 tablespoon salt and vinegar.", "Cover and marinate in refrigerator 2 hours."]
["boneless sirloin steak", "salt", "white vinegar", "all-purpose", "freshly ground pepper", "vegetable oil", "flour", "milk", "salt", "freshly ground pepper", "parsley sprigs"]