|Combine chicken broth, corn, and chicken pieces in a large saucepan. Bring mixture to a boil over medium heat, stirring occasionally. Blend cornstarch with cold water and add to soup. Continue cooking, uncovered, for 3 minutes.
Beat egg whites until foamy; stir into soup. Reduce heat to a simmer and cook until foamy. Ladle soup into individual bowls and garish with parsley. Serve hot.|