The Turkish pastry filled with cheese, spinach, or meat is börek.
Börek is a broad family of savory pastries made with thin, flaky dough, usually filo or Turkish yufka. It can be baked in a large pan and cut into portions, shaped into rolls or spirals, or prepared as individual pastries. Fillings commonly include cheese, spinach, minced meat, potatoes, or other vegetables.
Turkey has many named varieties. Su böreği uses briefly boiled sheets of dough, sigara böreği is a small cigar-shaped roll often filled with cheese and fried, and kol böreği is formed into a long roll. Sarıyer böreği is associated with the Istanbul district of Sarıyer.
Börek also has close relatives across the Middle East and Southeast Europe. It appears as burek, byrek, or bourekas in different languages and communities. The dish is often served with yogurt or ayran, and may be eaten hot or cold.