[header] How to make filo pastry [title] Sift the flour and salt into a bowl, stirring to mix. [step] Whisk it up quickly to make sure it is all well mixed and evenly distributed, without chunks. [title] Make a well in the center of the flour, adding the olive oil, vinegar/lemon, and warm water. 
[step] A well is simply a hole in the center of the bowl of flour, which stores the liquids in one place so that you can mix them in gradually. [substeps] Warm water will help you maneuver the dough, and start to loosen up the flour proteins.