# Put the starch, cocoa
, granulated sugar
into the pot, and mix them in the pot.
# Add the cold milk
and water into the mixture by stirring constantly.
# After smoothening the mixture, place it over medium heat.
# Boil it by stirring constantly, until it reaches to a consistency which is a little bit lower than milk
# Remove it from the stove, add vanilla in it, and stir it.
# Pour the hot mixture into the icebox smoothly.
# When it turns to tepid (room temperature), place it into the freezer.
# The day after, remove it from the stove and remove the cubes from the ice box.
# Pack them with aluminium foil pieces.
# Rest them in the freezer, until serving it.