Pizza is an oven-baked, flat, disc-shaped bread typically topped with a tomato sauce, cheese and various toppings. Originating in Italy, from the Neapolitan cuisine, the dish has become popular in many parts of the world. Pizza is one of the national foods of Italy.
The Ancient Greeks covered their bread with oils, herbs and cheese. In Byzantine Greek, the word was spelled πτα or pita, meaning pie.