Pastilla, also known as b'stilla, is a traditional Moroccan pie that is made with layers of thin pastry filled with a mixture of shredded chicken or pigeon, almonds, eggs, and a blend of aromatic spices. The pie is then baked until golden and crispy, and it is often dusted with powdered sugar and cinnamon. Pastilla is a unique and delicious dish that combines sweet and savory flavors.