RICH GARLIC SOUP WITH SPINACH AND PASTA

Steps:

• Bring a medium saucepan full of water to a boil. Fill a bowl with ice and water. Separate the head of garlic into cloves and drop them into the boiling water. Blanch for 30 seconds, then transfer to the ice water. Allow to cool for a few minutes, then drain and remove the skins from the garlic cloves. They'll be loose and easy to remove. Crush the cloves lightly by leaning on them with the side of a chef's knife.
• Place the garlic cloves in a large saucepan with the 2 quarts water, olive oil, bouquet garni, and salt to taste, and bring to a gentle boil. Reduce the heat, cover and simmer 1 hour. Strain and return the broth to the saucepan. Taste and adjust salt, and bring back to a simmer.
• Add the macaroni shells to the broth and simmer until cooked al dente.
• Distribute the garlic croutons among 6 soup bowls and top each one with a heaped tablespoon of cheese. Beat the egg yolks in a bowl. Making sure that it is not boiling, whisk in a ladleful of the hot garlic broth.
• Add the spinach to the simmering broth and stir for 30 seconds to a minute, until all of the spinach is wilted. Turn off the heat and stir in the tempered egg yolks. Stir for a minute, taste and adjust seasonings. Ladle the soup over the cheese-topped croutons, and serve.