Pizza is a dish of Italian origin consisting of a usually round, flat base of leavened wheat-based dough topped with tomatoes, cheese, and often various other ingredients, which is then baked at a high temperature, traditionally in a wood-fired oven. A small pizza is sometimes called a pizzetta. 

• A person who makes pizza is known as a pizzaiolo.

• In Italy, pizza served in a restaurant is presented unsliced, and is eaten with the use of a knife and fork.

In casual settings, however, it is cut into wedges to be eaten while held in the hand.