Soup with "Rags"

Description
In Romanian: Supa cu zdrente

Ingredients
Rags:
 * Beef or poultry soup,
 * 2 eggs,
 * 2-3 tablespoons flour,
 * salt

Directions

 * 1) Beat the eggs with a fork, add the flour a little at a time and the salt.
 * 2) Mix with a spoon until you get a sour-creamlike paste.
 * 3) Set to boil the soup strained into a clean pot and when it comes to the first boil, pour the paste a little at a time, with the help of a fork.
 * 4) Cover the pot and let boil for a couple of minutes.