Preheat oven to 180°C / 350°F.
Combine 80 grams of flour with 80 grams of cornstarch in a bowl and set aside.
Place the dough on a clean working surface (ideally a wooden one). Knead and shape into a cord.
Cut the dough into 10 equal pieces. Shape each piece into a round ball.
Dust the working surface with the flour and cornstarch mixture (whenever I mention dust with flour, it's this mixture we're using).
Take a dough ball, place it on the working surface, and dust it with flour. With a rolling pin, roll open into a 10 cm round disk.
Repeat this process for all the dough balls. Then place them on a floured pan with flour in between them so they won't stick together. Cover the pan with the dampened tea towel and rest for 10 minutes.
Take one small phyllo and roll it open big enough to cover the bottom and walls of a 31 cm (12-inch) round pan.
HOW TO ROLL: To roll the phyllo, always dust both the surface and the top of the dough with flour. Otherwise, the dough will be sticking. Roll towards every direction and flip the dough now and then. To do this roll it around the rolling pin and unroll it on its other side.
Brush the pan generously with extra virgin olive oil.
Roll the phyllo around the rolling pin and then unroll it over the pan.
Brush with oil and then add two more phyllos the same way. Brushing each layer generously with oil.
Add ⅓ of the filling.
Roll another phyllo, this time just big enough to fit inside the pan. Brush with oil.
Add ⅔ of the filling.
Add another phyllo just like the last one.
Add the remaining filling.
Make 5 more phyllos for the top = 3 phyllo at the bottom, 2 in between, 5 on top =10 in total.
Ruffle the top 5 phyllos as you add them to the pan to give the pie a crispier texture.
Overlap the edges of the bottom phyllos over the top to create a nice pie edging. If there's excess phyllo, trim it with a knife.
Cut and divide the pie into 16 pieces without cutting the bottom phyllo.
Bake at a mid-low rack for about an hour or an hour and 10 minutes until honey brown on top and very crispy.
Rest out of the oven for at least 30 minutes. Then cut and enjoy!