- Roll the pastry to about 5mm thick. Cut out a large circle and score a star in the middle with 4 incisions.
- Spread the pesto around the circle in a ring. Top with the tomato slices, mozzarella and crumbled feta. Sprinkle with oregano all over.
- Seal the central triangles over the edge of the ring and brush the whole thing with whisked egg.
- Bake for 20 - 25 minutes.