PIZZA. Although it is one of the world's simplest and most popular foods, pizza is oddly difficult to define. Centuries of evolution have transformed it from the patties made of mashed grains that were its earliest antecedents into a dish that, though related to those early grain cakes, is almost unrecognizable as their descendant. Most significant is the change in the primary ingredient, from various coarse grains to a solely wheat-based dough, and eventually to a dish made almost exclusively with white flour.

However, though pizza has taken many forms, and its composition, toppings, seasonings, methods of preparation, and the equipment used to make it have altered radically over the years, it has usually been a flatbread baked at high temperatures.

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Early History of Pizza
For millennia, pizza, a food of various origins and multiple styles, has played an important role in the diet of those who inhabited the land now called Italy. Neolithic nomads, the Etruscans from the North, and the Greeks from southern regions were the three earliest societies to develop pizza prototypes, for example, focaccia. Each group made small adaptations that changed the original product into a slightly more refined dish.

As early as the Stone Age, Neolithic hunter-gatherer tribal groups foraged throughout what would become Italy for wild grains, among them wheat varieties such as emmer and einkorn, as well as barley. Commonly first soaked or boiled, these grains were mashed into pastes and cooked on hot stones over open fires.

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Later, around 1000 B.C.E., the Etruscans, a people of uncertain origin, introduced their flatbread to Northern Italy. Like the Neolithic tribes before them, the Etruscans pounded their grains. However, unlike their predecessors, the Etruscans baked their mash on stones and buried the stones in the ashes, creating smoky tasting bread. They further elaborated on the primitive Neolithic flatbread by seasoning the mash with oil and herbs after baking it. Though little more than rough slabs of cooked grain, these Etruscan flatbreads, among the earliest forms of this type of food documented, were often used as dough "plates" in lieu of dishes.

The Greeks, who had superior baking skills and technology, further advanced and elaborated on pizza during their 600-year (730–130 B.C.E.) occupation of the southern areas of the Italian peninsula. Like their predecessors, they produced a grain-based mash, but instead of placing the toppings on the cooked breads, they placed them on the raw dough prior to baking, perhaps to ensure a more highly flavored dish. Plakuntos, for example, flat, round breads, were made with various simple toppings, among them oil, garlic, onion, and herbs. Additional Greek contributions included the use of ovens, instead of open fires, and the development of kneading, which produced a more digestible bread. Evelyne Sloman highlights early excerpts from Plato's Republic that refer to meals created from barley flour kneaded and cooked into "cakes" with olives and cheese (Sloman, 1984, p. 5).

Although it is not firmly established, many also credit the Greeks with improving on the knowledge of leavening agents that came down to them from the Egyptians, and then introducing yeast into their own flatbreads. The Greeks also added a raised rim to the outside of their dough circles, to stabilize their dough "plates," making them easier to hold, and, perhaps, even helping to keep the toppings in place.

Much later, the Romans combined the Etruscan and Greek techniques to create the pizza antecedent most like the pizza known today. They valued the intense heat the Etruscans achieved by baking their flatbreads below the fire, and they appreciated the Greek idea of preseasoning the dough. They also modified the Greek plakuntos. Known to them by the Latin term placenta, their adapted bread, though still round, was topped with cheese and baked on a wood-burning hearth. Laganum, a light, thin wafer bread, was also cooked on the hearth.

If the Greeks and Etruscans were primarily responsible for creating the prototypes of what was to become pizza, and the ancient Romans were responsible for improving it, it was largely the Neapolitans who brought it fame. Probably not coincidentally, the Neapolitans were responsible for the addition of the ingredient most commonly associated with pizza today—the tomato.


No one is sure of the precise reason, but it took well over two centuries from the time the New World tomato was introduced to the continent of Europe during the Columbian food exchange for Neapolitans, and various other inhabitants of the peninsula, to begin consuming tomatoes in quantity.

There are several theories about why adoption of a fruit that has almost come to symbolize Italian cuisine took so long. One argues that it was because tomatoes were believed to be poisonous, another that the earliest tomatoes were inferior and, therefore, eaten only in modest amounts until quality improved enough to make the fruit genuinely popular. In the area of Naples, for example, a key moment appears to have come in the middle of the eighteenth century with the development of a pleasing, large, and sweet tomato. The fruit quickly became the mainstay of Neapolitan pizza toppings.

It was also around this time, during the era of Bourbon King Ferdinando I and Queen Maria Carolina, whose empire included Naples, that one of the earliest pizza legends took root. In one version of the story, the queen (Marie Antoinette's sister and the daughter of Empress Maria Teresa of Austria) is said to have been described by the king as having "common tastes," apparently a quality thought to explain her love of pizza, a dish of the people. It is, however, a measure of the confounding nature of pizza lore that in a variant of the story, it is the king who relishes pizza and the refined queen who does not understand his passion.

Whichever of their majesties was the real enthusiast, the object of desire was probably flavored with lard (a less expensive alternative to oil), tomatoes, salt, and sometimes tiny eels, anchovies, or sardines. Over time, craving for this pie became so great that either the king, to gratify his wife's yearning, or the queen, to gratify the king's hunger, had a pizza oven built at the Capodimonte palace, so they could make the dish at home, an act that brought the pie even more attention. Pizza became the fashion, and other nobles followed suit, building pizza ovens where they live.