 Panzerotti are also popular in the United States and Canada as well, where it is often called "panzerotti" or "panzarotti" as a singular noun (plural "panzerotties"/"panzarotties" or "panzarottis"/"panzarottis").Panzerotti originated in Central and Southern Italy, especially in the Apulian cuisine.They are basically small versions of "calzoni" but are usually fried rather than oven-baked, that is why they are also known as "calzoni fritti" ("fried calzones") or "pizze fritte" ("fried pizzas") in Italy, most typically in Campania.