Preheat convection oven to 325°F.
Combine Ultimate Cheddar Cheese Sauce and water in deep half-sized steam table pan and blend with wire whisk.
Add pasta to sauce and mix well.
Cover the pan with foil and bake for 30 minutes.
Remove from oven and stir well.
Cover and return to oven for 15 to 20 minutes or until sauce reaches an internal temperature of 165°F and pasta is cooked.
CCP: Maintain hot food at 135°F or above