In 6-quart saucepan or stockpot, combine water, powdered roux, chopped onion, bell pepper, celery and garlic. Bring to a boil and add salt, pepper and Worcestershire sauce. Cook at least 20 minutes. Add chicken and sausage, cook for 30 minutes more or until chicken is tender. Before serving, add onion tops and parsley. Serve in a bowl over any variety of steaming Cajun Country® Rice.