Shift flour into a large bowl and make a hole in the center. Add yeast and sugar in the center with a bit warm water and waiting for couple of minutes for activating, then add salt,oil and half of the water and mix together with a fork until it starts to come together.
2
Add the remaining water (and more if it’s necessary) to make dough and turn it out onto a lightly floured work surface. Knead for a few minutes until you have a smooth dough not sticky dough. Leave it to rest for at least 1 hour.
3
In the meantime, make the filling. In a pan over a medium heat, stir leek in a little oil until soft. Crumble feta over the leek and season with pepper (salt is if needed). Leave it to cool.
4
To roll the dough, cut into two pieces. Preheat the oven on 200 degrees.
5
Rolling the dough as thinly as possible you can and make a large rectangle shape, then gently stretch it further using your hands.
6
Once the dough is as thin, brush the filo sheet with melted butter and roll it and leave it for about 15 min. After you roll it again to thin, place the dough in a baking pan, leave the layer to go out of the pan a dit. (For closing the edge.)
7
Put the leek filling, and cover it with second dough it’s already rolled into thin filo. Brush the top of the pie with more melted butter and sprinkle over a little bit of salt.
8
Place the pie in the oven and bake for 15min on 200 degrees and reduce the oven to 180 degrees then continue to bake for another 15 min. Cool it for 10 min. And serve it with Greek style yoghurt.