Step 1

Preheat the oven to 400 degrees F.

Step 2

In a large bowl, mix together the meat, parsley, pine nuts, salt, masala, garlic, lemon zest and juice, tomato and onion with your hands until well-combined.

Step 3

Cut the pitas into quarters. Arrange on 2 baking sheets. Drizzle with olive oil and sprinkle with some sumac and salt. Fill each pita quarter with 3 to 4 tablespoons meat mixture, flattening it out so that the filling is even. Add a small handful of mozzarella to the top of the meat mixture of each.

Step 4

Bake for 30 minutes, rotating the pans once halfway through, until the pitas are browned and crispy. Let cool for about 5 minutes, then serve warm.