American Potato Salad

Ingredients

• 1 kg potatoes, peeled, cut into small pieces
• 2 tablespoons apple cider vinegar
• 3 medium eggs, hard–boiled, chopped
• 1 medium red onion, chopped finely
• 2 celery stalks, chopped finely
• ½ cup (50 g) chopped dill pickles
• 4 tablespoons chopped fresh parsley
• 1 cup (250 g) good–quality mayonnaise
• 2 teaspoons Dijon mustard
• ½ teaspoon celery seeds
• salt and freshly ground black pepper
• 3 spring onions (scallions), sliced thinly