Pizza Pops are a calzone-type snack produced by Pillsbury brand of General Mills. Pizza Pops are sold pre-cooked and frozen. Typically they are reheated in a microwave oven but they may also be cooked in a regular oven. They come in several varieties such as "Hawaiian", "Three Meat", "Pepperoni", "Pepperoni & Bacon", "Deluxe", "Cheese Burger", "Canadian", and "Three Cheese". All varieties of Pops, except for the three cheese, contain pizza sauce, pizza topping, and meat. They may also contain vegetables, such as green peppers or mushrooms, and artificial colours and flavours, such as Yellow 5.