Traditional Italian torta usually includes ricotta cheese, parmesan, parsley, and onion. The usual cheese is Pecorino Romano; occasionally Parmesan. Some variants are topped with a variety of cheeses, often mozzarella, parmesan, cheddar or feta. The beef was served with lemon, olive oil, and white truffle or Parmesan cheese. It is served as an appetizer, garnished with parsley, or sprinkled with parmesan cheese. Popular recipes include using Gruyere, Gouda, Havarti, and Parmesan cheese. Many types of risotto contain butter, onion, white wine, and parmesan cheese. Recipes attributed to Alfredo only include three ingredients&colon; fettuccine, young Parmesan cheese and butter. Parmesan cheese knives are specially designed for portioning very hard cheeses. Cheese, Parmesan or blue cheese being the most common, may also be added. Like Parmesan, it is often sold already grated. It comes in Meatball Parmesan, Authentic Italian Sausage, and Three Meat Supreme flavours. It is, for example, used with Parmesan cheese in Italy. The product is similar to shelf-stable parmesan cheese powder bottle cans. Parmo originated as "escalope Parmesan", a derivative of chicken parmigiana.