Waldorf salad

Ingredients

• generous handfuls of green salad leaves (such as frisee

  romaine, belgian endive, arugula and watercress), washed
  4 unit
• generous handfuls of seedless green or red grapes

  halved
  2 unit
• celery stalks

  trimmed and chopped
  3 medium
• generous handfuls of walnuts

  roughly crumbled
  2 unit
• bunch of fresh italian parsley
  1 small
• red apple

  sliced
  1 unit
• blue cheese (such as dolcelatte)
  6 oz
• heaped tsp Dijon mustard
  1 unit
• white or red vinegar
  2 tbsp
• extra virgin olive oil
  1 unit
• heaped tbsp natural yogurt (it is common to use may instead)
  1 unit
• sea salt & freshly ground black pepper
  1 unit