Any flavorful green can be used here, like sorrel, orach, or arugula.
Bring to a boil in a soup pot:
Reduce the heat to a simmer, partially cover, and cook until the rice is very tender, about 20 minutes. Stir in:
Simmer the soup about 5 minutes; do not boil. In small bowl, beat together:
Stir a small quantity of the hot soup into the egg yolks, then stir the yolk mixture into the rest of the soup. Heat the soup for 5 minutes; do not boil. Season to taste with:
Serve at once.