# Wash the
potatoes, peel and cut into a few pieces, and place into a pot. Add the diced
onion on it.
# Add 6 cups of water on it and cook the mixture until the
potato softens.
# Boil
chicken piece with 2 cups water in a separate pot.
# When the
potato softens blend the mixture to turn into puree.
# Place the puree into a pot, and add the
chicken meat, which is picked into pieces, add butter also. Sauté it over medium heat, for a while. Then, add 6 cups of boiling water of the
chicken on it.
# Add the liaison of the mixture of
milk, yolk,
flour and salt into the mixture slowly and stir it meanwhile.
# Cook the soup for a few minutes more, when it reaches to the boiling temperature. Theni remove it from the stove.
# Fill it into the service plate and garnish with crushed red
pepper.