# Put white of an egg and whole of the remaining one, yogurt
, oil and baking powder in a bowl, and add salt little by little while kneading the mixture. Knead the dough until it reaches to the right consistency and do not stick to your hands. Rest it for 1 hour.
# Pick lemon
sized pieces from the dough. Roll them out into saucer size by your fingertips on the bench.
# Put grated cheese
and finely sliced parsley on the middle and fold them. Repeat this action until the dough finishes.
# Place the pastries onto the greased baking tray. Spread the remaining yolk on them and sprinkle nigella. Bake in 374 F oven until their surface turns to red.