What is the main ingredient in pizza dough?

Which country is known as the birthplace of pizza?

What type of cheese is most commonly used on pizza?

What is a popular meat topping for pizza?

Which of these is a classic vegetarian pizza topping?

In which city was deep-dish pizza invented?

What shape is a traditional pizza?

What do we cut pizza into?

What do you say when pizza tastes really good?

When is National Pizza Day celebrated in USA?