Tirtlen refer to South Tyrol's pastries or large parcels of dough with savory fillings and deep-fried in hot oil. Tirtlen is a flat circle and they are usually filled with seasoned spinach, quark, or sauerkraut ; fried pastry usually stuffed with herb or cream Tirtlen is also sometimes defined as stuffed Fagots. South Tyrol is located in Italy, also called Alto Adige or Südtirol