Lasagna is one of the oldest forms of pasta recorded. It probably corresponds to the Latin "Lagana" (which in turn was derived from the Greek "laganon": large, flat sheet of pasta cut into strips) and it began to be known as "Lasagna" probably after the year 1000 AD. It has long been one of the most well-known and popular types of pasta in Italian cooking, minced meat and tomato and the simplest and most commonly used recipe calls for a ragù, béchamel and parmesan, although mozzarella has also been introduced more recently. Delicious "white" versions are also quite commonplace with sauces made from mushrooms and vegetable