# Put the yeast, warm water and sugar
into a deep bowl, mix, add yogurt
, salt, egg white, flour
and knead well.
# Cover and rest it for 1 hour.
# Roll the dough until it reaches a plate size, pour 1 tbsp vegetable all over, drizzle walnut
over, and make dough roll.
# Press on the edges of the roll; it will loose its roll shape.
# Rest for half an hour, sprinkle the yolk on it.
# Cook in 392 F for 35 minutes.
# Let it cool down after removing from the oven. Put into a nylon bag and cover.