Cheesy Chicken and Broccoli Soup

Ingredients
Directions
In large saucepan, combine water, chicken base onions and broccoli. Bring to a boil. Reduce heat and simmer 6-8 minutes or until broccoli is tender. In small bowl combine milk and flour; stir until smooth. Add to broccoli mixture; cook over medium heat until thickened. Reduce heat to low; simmer 1-2 minutes. Add cheeses and mustard; cook stirring constantly until cheese is melted and soup is heated through.