Buffalo mozzarella farms used to produce the PDO buffalo mozzarella DOP. On 19 April, China definitively removed the ban on mozzarella, originally activated on 28 March 2008, and tests held in December 2013 in Germany on behalf of four Italian consumer associations have highlighted dioxin and heavy metal levels at the lowest of five times at most permitted by law. To produce of cheese, a cheese maker requires of cow milk but only of buffalo milk. Producing 1 kg of butter requires of cow milk but only of buffalo milk. The steps required to produce buffalo mozzarella are: The digestive system of
Macaroni and cheese while "shells and cheese" is sometimes used when it is made with Conchiglie. While Cheddar cheese is most commonly used for macaroni and cheese, other cheeses may also be used—usually sharp in flavor—and two or more cheeses can be combined. Popular recipes include using Gruyere, Gouda, Havarti, and Parmesan cheese. Macaroni and cheese can be made by simply layering slices of cheese and pasta (often with butter and/or evaporated milk) then baking in a casserole, rather than preparing as a cheese sauce. Also, some like to include a crunchy topping to their baked macaroni and cheese by topping it off