Perfect Creamy Macaroni and Cheese Ingredients Cheese Sauce: 1/4 cup butter 1/3 cup all-purpose flour 3 cups whole* milk (3%) *recommend whole milk here, if you can 7 oz./200 g. a really good, really aged cheddar, broken or chopped into small chunks (I used British Coastal Cheddar) 2 1/2 – 3 oz. of another