Velvety Onion Soup with Whipped Potato

Ingredients

  • 3 pounds chicken wings
  • Water
  • 1 carrot, cut into 2-inch lengths
  • 1 celery rib, cut into 2-inch lengths
  • Salt
  • 3 tablespoons plus 2 teaspoons extra-virgin olive oil
  • 8 scallions, finely chopped
  • 6 medium onions, coarsely chopped
  • 1 baking potato (1/2 pound), peeled and cut into 1-inch pieces
  • 1 garlic clove, halved
  • 1/2 cup heavy cream
  • Aged balsamic vinegar and cayenne pepper or paprika, for sprinkling

Preparation

In a large saucepan, cover the chicken wings with 10 cups of water. Add the carrot and celery and bring to a boil. Skim, add a few pinches of salt and simmer over low heat for 1 1/2 hours. Strain the stock and skim off the fat. Measure out 1/2 cup of stock and set it aside.

Heat the 3 tablespoons of olive oil in a large saucepan. Add the scallions and cook over moderate heat until softened about 3 minutes. Add the onions and cook over low heat, stirring occasionally, until softened about 8 minutes. Add 2 quarts of the chicken stock and a pinch of salt and simmer over low heat until the onions and scallions are very soft about 15 minutes. Working in batches, puree the soup in a blender until very smooth. Pour the soup into a clean saucepan and season with salt.

Heat the remaining 2 teaspoons of olive oil in a medium saucepan. Add the potato, garlic and a pinch of salt and cook over low heat, stirring, until the potato pieces are glazed about 2 minutes. Add the reserved 1/2 cup of chicken stock and 1/2 cup of water and simmer over moderately low heat until most of the liquid has evaporated and the potato is tender about 10 minutes.

Meanwhile, add the heavy cream into 1 pint whipped cream dispenser. Charge with 1 N20 charger and dispense into a small bowl. Pass the potato through a ricer into a medium bowl. Fold the whipped cream into the potato and season with salt.

Ladle the hot soup into warmed shallow bowls. Drizzle 8 drops of balsamic vinegar over each soup, then mound 2 tablespoons of the whipped potato in the center. Sprinkle with cayenne and serve at once.

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