# At first, grate the
tomatoes finely, strain them and cast the remaining part of the
tomatoes away.
# Put the vegetable oil into the pot and place the pot over medium heat. When the oil turns to hot add sifted
flour in it and roast it by stirring constantly, until it turns to pink.
# After roasting the
flour, turn off the heat. Meanwhile, whisk the
milk and the egg in a bowl for using them later.
# Add the prepared
tomato juice onto the roasted warm
flour and mix it, turn on the heat again.
# Add the mixture of the
milk and egg into the mixture urgently and keep on stirring the mixture.
# Add the broth or the water into the soup before it turns to hot totally. Boil it by stirring constantly.
# Add salt in it, and boil 1 or 2 more minutes more. Serve it hot.