For best results, keep unused phyllo sheets covered with a damp cloth to prevent drying out while assembling the pie.
Traditional Bstila often includes almonds and is dusted with powdered sugar and cinnamon. You can add toasted, slivered almonds to the filling for authenticity.
Phyllo dough can be tricky to work with; keep it covered and work quickly to avoid it becoming brittle.
This dish can be served warm or at room temperature, making it a great option for potlucks.