Pepperoni is a popular type of Italian-American cured sausage that is commonly used as a topping for pizzas and other dishes. It is typically made from a mixture of pork and beef, seasoned with various spices, such as paprika, chili powder, garlic, and black pepper. Pepperoni is known for its distinctive red color, spicy flavor, and slightly greasy texture, which adds a savory kick to dishes it is used in.