Spanakopita is a traditional Greek dish made with phyllo pastry. It is a savory pie filled with spinach, feta cheese, onions, and herbs. The phyllo pastry is layered with a mixture of sautéed spinach and onions, mixed with crumbled feta cheese and seasoned with herbs like dill and parsley. The layers of phyllo pastry are brushed with melted butter or olive oil to give it a crispy texture when baked. Spanakopita is a delicious and nutritious dish that can be served as an appetizer or a main course.