Lightened Up Buffalo Chicken Mac and Cheese

dry whole wheat elbow macaroni (about 7.25 oz)

unsalted butter

stalks celery, finely chopped

carrots, peeled and finely chopped

all-purpose flour

nonfat milk

half-and-half

Frank’s Buffalo Wing Sauce

dry mustard

Cabot 50% less fat extra sharp cheddar cheese, shredded

part-skim (2%) Colby cheese, shredded

nonfat plain Greek yogurt

cooked chicken, shredded (I used rotisserie)

panko

fresh parsley, chopped