Spicy pizza topping is a popular choice for many pizza lovers. Pepperoni, which has nine letters, is a spicy topping made from cured pork and beef mixed with spices such as paprika, garlic, and fennel. It is usually sliced into thin circles and added to the top of a pizza before baking. Pepperoni is one of the most popular pizza toppings in the United States and is enjoyed by people of all ages.