# Wash the
spinach. Chop it into too small pieces, you may cut its stems also.
# Pour the oil into frying pan. When the oil turns into hot, add salt and remove the pan from the stove.
# When the
spinach cools down totally, add
cheese and egg white, mix it.
# Pick one of the pastries, enlarge it over
floured bench by fingertips.
# Put stuffing mixture onto its both 2 sides, but not to its middle. Place another enlarged pastry over this one.
# Cut 4 edges of the square. Remove the pastry in the middle also.
# Get those dough pieces together and shape as a band. Squeeze the borek that you have stuffed, from its middle. Wrap the band around the middle of this borek.
# Make all the boreks by this method. Place them over the greased paper which stays in a baking tray. Spread egg yolk all over the boreks and sprinkle sesame.
# Place the tray into the oven that is preheated to 375 F. Bake them until their surfaces turn into red.
# Serve warm.
