1In 3-quart saucepan, heat chicken broth, chicken, vegetables, salt, and pepper to boiling. In small bowl, mix 1 cup milk and the cornstarch with wire whisk until smooth; stir into chicken mixture. Heat just to boiling.
2In small bowl, stir dumpling ingredients with fork until blended. Gently drop dough by 8 rounded spoonfuls onto boiling chicken mixture.
3Cook uncovered over low heat 10 minutes. Cover and cook 15 minutes longer.