1
In a frying pan, brown the chopped garlic in the olive oil.
2
Add the flour.
3
Mix well, then cook for a moment.
4
Add some boiling salted water, and cook for 10 minutes.
5
In a separate dish, mix the egg yolk, pepper and vinegar
6
Add the egg white to the soup, while stirring with a whisk, so that no large pieces of egg white form.
7
Cook for another 5 minutes.
8
Remove from heat and add the egg yolk mixture, again stirring to avoid coagulation.
9
Place thin slices of bread in each soup bowl, and pour the soup on top. Serve hot.