Pizza (pronounced /ˈpiːtsə/ listen (help·info), in Italian: ) is an oven-baked, flat, generally round bread that is usually covered with tomatoes or a tomato-based sauce and often mozzarella cheese, with other toppings added according to region, culture or personal preference. While originating as a part of Neapolitan cuisine, the dish has become popular in many different parts of the world. A shop or restaurant where pizzas are made and sold is called a "pizzeria". The phrase "pizza parlor" is also used in the United States.
History
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Bases and baking methods
The bread base of the pizza (called the "crust" in the United States and Canada) may vary widely according to style: thin as in hand-tossed pizza or Roman pizza, thick as in pan pizza, or very thick as in Chicago-style pizza. It is traditionally plain, but may also be seasoned with butter, garlic, or herbs, or stuffed with cheese.
In restaurants, pizza can be baked in a gas oven with stone bricks above the heat source, an electric deck oven, a conveyor belt oven or, in the case of more expensive restaurants, a wood- or coal-fired brick oven. On deck ovens, the pizza can be slid into the oven on a long paddle called a peel and baked directly on the hot bricks or baked on a screen (a round metal grate, typically aluminum). When making pizza at home, it can be baked on a pizza stone in a regular oven to imitate the effect of a brick oven. Another option is grilled pizza, in which the crust is baked directly on a barbecue grill. Greek pizza, like Chicago-style pizza, is baked in a pan rather than directly on the bricks of the pizza oven.
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