Pizza sausage is a type of pizza topping made from ground pork, beef, or a combination of the two. It is usually seasoned with spices such as garlic, oregano, and fennel, and is often used as a topping for pizzas. The term 'pepperoni' is an Italian-American word derived from the Italian word for peppers, peperoni. Pepperoni is one of the most popular pizza toppings in the United States and is often used in combination with other toppings such as mushrooms, onions, and olives.