Pepperoni and Italian sausage are popular pizza toppings. A "Canadian" pizza is usually prepared with tomato sauce, mozzarella cheese, pepperoni, mushrooms, and bacon. Thinly sliced pepperoni is a popular pizza topping in American pizzerias. Typically, jumbo slices are offered in only two varieties&colon; cheese and pepperoni. Sandwiches of calabresa sausage, which is similar in taste to pepperoni, are also popular. Variations on the original pepperoni roll may contain different types of cheese, peppers, etc. In Santa Fe, New Mexico, variations include using spinach, pepperoni, cheese, and green chile. It has been described as having similar qualities to that of pepperoni sausage. Pepperoni is usually made from a mixture of pork and beef. Over breakfast (pepperoni pizza), she agrees to go to a concert with him. The first use of "pepperoni" to refer to a sausage dates to 1919. Pepperoni is mass-produced to meet the demand for the sausage. Some pepperoni is produced in thicker slices, so that the edges curl intentionally. However, Molecule Man intervenes, returning Reed to normal while turning the Maker into pepperoni pizzas. The taste is spicy, salty and a little raw, similar to pepperoni.