# Clean the leek
s and wash them. Cut them into pieces, each of them has 1/2 inch thickness, and boil them in some water, until the pieces soften.
# Put the ground meat into mixing bowl, add 1/3 cup crumbs on it, add meatballs spice, black pepper
, crushed red pepper
and salt on it.
# After kneading the mixture for a while, add boiled and grated potato
in it. And add the squeezed leek
pieces which are removed from the water onto the mixture also. Knead this mixture for about 5-6 minutes.
# Place the prepared mixture onto the lowest layer of the fridge and refrigerate for half an hour at least.
# Pick double sized pieces from the prepared mixture and shape them as long oval pieces.
# Dip the prepared meatballs into the whisked egg in a bowl. Then cover them with crumbs, and fry in hot oil. Remove them from the oil and place onto the paper towel to remove extra oil in them.
# Serve it with feta cheese