Pizza quattro formaggi at restaurant, Chalk Farm Road, London. Traditionally, the cheeses include Mozzarella, as the fundamental component, which maintains humidity during cooking, partially protecting the other cheeses from the strong heat of the oven. Unlike other pizzas, like the Napolitan or the Margherita, quattro formaggi sauce have an old, rich, and documented history, the Quattro Formaggi, despite its popularity and preponderance, has a less clear origin, certainly due to its composition being so obvious.
