Instructions

  1. Heat butter in a saucepan. Add leeks and Granny Smith apple, cover and simmer until tender, for about 5 minutes.
  2. Add the Calvados and reduce until almost evaporated. Stir in the cider vinegar, broth, apple cider and bring to a simmer.
  3. Add the chicken and egg noodles to the broth, cover and cook until the chicken is cooked through, about 5 minutes.
  4. Stir in the heavy cream, Gruyere and season to taste with salt and pepper. Garnish with chives.