Recipes for onion soup vary around the world, but this one is a classic. Workers used this delicious soup as a morning pick me up at Les Halles, the central food market in Paris that has, sadly, been demolished. For Zaar World Tour 8
Add the consomme and water, sherry and Worcestershire sauce, cover and simmer gently for 30 minutes.
04Preheat the broiler. Lightly toast the baguettes on both sides. On one side of each piece spread the mustard and sprinkle on the cheese. Broil until the cheese is golden and bubbling.
05Ladle the soup into serving bowls , put two croutes on top of each one. Sprinkle with parsley, if desired. Serve immediately.