1 batch of Simple White Sauce (see recipe link above) 4 medium potatoes, peeled and diced1 cup carrots, peeled and sliced½ cup onion, diced½ cup celery, diced1 cup mozzarella or cheddar cheese, shreddedSeveral pinches of rosemary and parsley, dried1 pre-made pie crust1 rotisserie chicken, meat removed and chopped into bite size pieces