Filo Triangles with Leeks are a delightful Balkan appetizer featuring a savory filling of sautéed leeks, feta cheese, and herbs wrapped in crispy layers of filo pastry. These golden-brown triangles are perfect for serving at parties or as a tasty snack. The combination of tender leeks, tangy feta, and flaky filo creates a mouthwatering bite that's sure to impress your guests.