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