To list all toppings for pizza is impossible as the list is only restricted to the restrictions imposed by your imagination. Even popular pizza toppings are not easy to categorize when the Americans prefer pepperoni and the Japanese favour squid.
Pizza toppings are normally placed upon a pizza in a specific order, not because it is tidy but because the pizza sauce keeps the pizza dough moist, the cheese then provides a bed for the toppings to rest on and they do not dry out or fall off as the pizza slice is held. More cheese is added to keep the dough moist and the garnish is not cooked so it is applied last after baking. The following list is the traditional order:
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