Pizza quattro formaggi

Pizza quattro formaggi is a pizza that is covered with four different kinds of cheese. It was first made in Italy in the 18th century. Today it is common all over the world. One of the cheeses is mozzarella. Other cheeses that are commonly used are gorgonzola and parmesan cheese. If tomato sauce is used it is usually called rossa / red, otherwise it is called Bianca / white.