# Whisk yeast, 1/3 cup warm water and 1 cube sugar
# Add potato
, egg white, yogurt
, sunflower oil and flour
# Cover the dough and let it stand for w hours in a warm place.
# Cut the dough into 4 pieces.
# Roll the dough pieces out, and cut all the pieces into 6-7 triangle pieces.
# Put the mixture of parsley and cheese
on the large side of the triangles. And then roll the triangles to get bars.
# Spread yolk on them, place on the greased oven tray.
# Cook until its surface turns red in the preheated to 190 C (F 374) oven.