platter. Skim fat from mixture in skillet. In a small glass measure, mix flour with 1/4 cup water until blended. Stir into liquid in skillet. Bring to boiling, stirring constantly; boil for 1 minute, stirring, until mixture thickens. Spoon sauce over chicken and sausage. Arrange pasta on platter with chicken. Garnish with remaining arugula. Makes 6 servings. [ McCALL'S; January 1990 ]