Pepperoni is a type of dry salami typically made of pork or beef. Though usually commercially prepared, it is possible to make homemade pepperoni relatively easily. As an ingredient, it is used to spice up salads, flavor breads, and as a pizza topping. Pepperoni is the most popular pizza topping in the United States.http://pizzaware.com/facts.htm
The salty cured pork pizza topping is very high in sodium content with just 14 slices registering almost 500 grams of sodium. The 14 slices have 140 calories and 13 grams of fat. The dried salami contains no carbohydrates making it a popular snack choice for people choosing a low carb way of eating. The no carbohydrate item can be used as a snack, a pizza topping on a Meatza Pizza or an item to top a dinner casserole.
Pepperoni is used as a filler in calzones and in prepackaged items like Hot Pockets or submarine sandwiches.