Creamy Chicken Noodle Skillet

Creamy Chicken Noodle Skillet
2 T light butter
2 T flour
2 c skim milk
8oz No Yolk egg noodles
2 tsp Dijon mustard
1/4 c Parmesan cheese
1 lb raw chicken, diced and sprinkled with salt and pepper

Cook noodles according to package directions and drain.  Reserve 1/4 cup cooking liquid.  While noodles cook, in a large skillet, cook chicken over medium heat.  Brown on all sides but don't cook all the way through.  Remove chicken from skillet and set it aside.  Int he same large skillet add butter.  Once melted, add flour and using a whisk, break it up.  Add skim milk, salt, mustard and Parmesan.  Whisk until sauce starts to thicken.  Add partially cooked chicken into the sauce and continue to cook until no longer pink in the middle. Add the noodles and stir to coat all the noodles.  If it's too thick, add reserved pasta liquid to thin it out.