Onion Soup Thickened Recipe ingredients

To prepare this Onion Soup Thickened Recipe, first cut up two medium onions, mince them finely, and fry them colorless in butter, adding two dessertspoons of flour. Cook it a few moments with the onions, then dilute with two quarts of broth. Season with pepper and a little salt, boil for ten minutes, and just when ready to serve, thicken the soup with raw egg yolks diluted in cream, and add a little fine butter. Pour the soup over round, thin slices of bread about one inch and a quarter in diameter, dried in the oven.