This Greek spinach and feta pie with classic Greek salad is as popular and ubiquitous today as the meat pie. We may have cheated a little, using flatbread instead of filo to simplify the layering process, but believe us, our recipe adaptation for this week's Australia On a Plate still creates a crisp, flaky, golden pastry encasing the creamy, dill-laced cheesy green filling that we all love.